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Finding the Fourth Proportional to 623,937.29, 935,905.94 and 203,213.16

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Solution

The fourth proportional to 623,937.29, 935,905.94 and 203,213.16 is: 304,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,937.29 : 935,905.94 = 203,213.16 : x
  2. Step 2: Convert to fraction form
    623,937.29/935,905.94 = 203,213.16/x
  3. Step 3: Cross multiply
    623,937.29x = 935,905.94 × 203,213.16
  4. Step 4: Simplify right side
    623,937.29x = 190,188,403,530.17
  5. Step 5: Solve for x
    x = 190,188,403,530.17/623,937.29
  6. Step 6: Final answer
    x = 304,819.74

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Double scale
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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.