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Finding the Fourth Proportional to 623,971.02, 935,956.56 and 203,246.88

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Solution

The fourth proportional to 623,971.02, 935,956.56 and 203,246.88 is: 304,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,971.02 : 935,956.56 = 203,246.88 : x
  2. Step 2: Convert to fraction form
    623,971.02/935,956.56 = 203,246.88/x
  3. Step 3: Cross multiply
    623,971.02x = 935,956.56 × 203,246.88
  4. Step 4: Simplify right side
    623,971.02x = 190,230,250,635.53
  5. Step 5: Solve for x
    x = 190,230,250,635.53/623,971.02
  6. Step 6: Final answer
    x = 304,870.33

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Half scale
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Double scale
Find fourth proportional to 623,972.02, 935,958.06 and 203,247.88
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.