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Finding the Fourth Proportional to 574,999.29, 792,960.79 and 454,428.61

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Solution

The fourth proportional to 574,999.29, 792,960.79 and 454,428.61 is: 626,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,999.29 : 792,960.79 = 454,428.61 : x
  2. Step 2: Convert to fraction form
    574,999.29/792,960.79 = 454,428.61/x
  3. Step 3: Cross multiply
    574,999.29x = 792,960.79 × 454,428.61
  4. Step 4: Simplify right side
    574,999.29x = 360,344,069,547.98
  5. Step 5: Solve for x
    x = 360,344,069,547.98/574,999.29
  6. Step 6: Final answer
    x = 626,686.12

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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.