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Finding the Fourth Proportional to 623,562.71, 935,344.86 and 150,248.07

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Solution

The fourth proportional to 623,562.71, 935,344.86 and 150,248.07 is: 225,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,562.71 : 935,344.86 = 150,248.07 : x
  2. Step 2: Convert to fraction form
    623,562.71/935,344.86 = 150,248.07/x
  3. Step 3: Cross multiply
    623,562.71x = 935,344.86 × 150,248.07
  4. Step 4: Simplify right side
    623,562.71x = 140,533,759,999.42
  5. Step 5: Solve for x
    x = 140,533,759,999.42/623,562.71
  6. Step 6: Final answer
    x = 225,372.30

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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.