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Finding the Fourth Proportional to 425,165.73, 586,728.67 and 234,179.12

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Solution

The fourth proportional to 425,165.73, 586,728.67 and 234,179.12 is: 323,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,165.73 : 586,728.67 = 234,179.12 : x
  2. Step 2: Convert to fraction form
    425,165.73/586,728.67 = 234,179.12/x
  3. Step 3: Cross multiply
    425,165.73x = 586,728.67 × 234,179.12
  4. Step 4: Simplify right side
    425,165.73x = 137,399,605,234.16
  5. Step 5: Solve for x
    x = 137,399,605,234.16/425,165.73
  6. Step 6: Final answer
    x = 323,167.17

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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.