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Finding the Fourth Proportional to 424,742.08, 586,059.11 and 243,510.86

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Solution

The fourth proportional to 424,742.08, 586,059.11 and 243,510.86 is: 335,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,742.08 : 586,059.11 = 243,510.86 : x
  2. Step 2: Convert to fraction form
    424,742.08/586,059.11 = 243,510.86/x
  3. Step 3: Cross multiply
    424,742.08x = 586,059.11 × 243,510.86
  4. Step 4: Simplify right side
    424,742.08x = 142,711,757,886.94
  5. Step 5: Solve for x
    x = 142,711,757,886.94/424,742.08
  6. Step 6: Final answer
    x = 335,996.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.