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Finding the Fourth Proportional to 424,744, 586,160.52 and 243,490.28

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Solution

The fourth proportional to 424,744, 586,160.52 and 243,490.28 is: 336,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,744 : 586,160.52 = 243,490.28 : x
  2. Step 2: Convert to fraction form
    424,744/586,160.52 = 243,490.28/x
  3. Step 3: Cross multiply
    424,744x = 586,160.52 × 243,490.28
  4. Step 4: Simplify right side
    424,744x = 142,724,389,139.75
  5. Step 5: Solve for x
    x = 142,724,389,139.75/424,744
  6. Step 6: Final answer
    x = 336,024.50

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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.