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Finding the Fourth Proportional to 425,165.74, 586,728.69 and 234,179.13

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Solution

The fourth proportional to 425,165.74, 586,728.69 and 234,179.13 is: 323,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,165.74 : 586,728.69 = 234,179.13 : x
  2. Step 2: Convert to fraction form
    425,165.74/586,728.69 = 234,179.13/x
  3. Step 3: Cross multiply
    425,165.74x = 586,728.69 × 234,179.13
  4. Step 4: Simplify right side
    425,165.74x = 137,399,616,809.56
  5. Step 5: Solve for x
    x = 137,399,616,809.56/425,165.74
  6. Step 6: Final answer
    x = 323,167.19

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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.