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Finding the Fourth Proportional to 506,171.28, 759,103.56 and 266,155.92

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Solution

The fourth proportional to 506,171.28, 759,103.56 and 266,155.92 is: 399,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,171.28 : 759,103.56 = 266,155.92 : x
  2. Step 2: Convert to fraction form
    506,171.28/759,103.56 = 266,155.92/x
  3. Step 3: Cross multiply
    506,171.28x = 759,103.56 × 266,155.92
  4. Step 4: Simplify right side
    506,171.28x = 202,039,906,387.08
  5. Step 5: Solve for x
    x = 202,039,906,387.08/506,171.28
  6. Step 6: Final answer
    x = 399,153.24

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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.