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Finding the Fourth Proportional to 506,638.53, 759,957.18 and 240,253.71

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Solution

The fourth proportional to 506,638.53, 759,957.18 and 240,253.71 is: 360,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,638.53 : 759,957.18 = 240,253.71 : x
  2. Step 2: Convert to fraction form
    506,638.53/759,957.18 = 240,253.71/x
  3. Step 3: Cross multiply
    506,638.53x = 759,957.18 × 240,253.71
  4. Step 4: Simplify right side
    506,638.53x = 182,582,531,936.14
  5. Step 5: Solve for x
    x = 182,582,531,936.14/506,638.53
  6. Step 6: Final answer
    x = 360,380.27

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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.