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Finding the Fourth Proportional to 585,104.40, 878,312.70 and 452,572.20

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Solution

The fourth proportional to 585,104.40, 878,312.70 and 452,572.20 is: 679,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,104.40 : 878,312.70 = 452,572.20 : x
  2. Step 2: Convert to fraction form
    585,104.40/878,312.70 = 452,572.20/x
  3. Step 3: Cross multiply
    585,104.40x = 878,312.70 × 452,572.20
  4. Step 4: Simplify right side
    585,104.40x = 397,499,910,926.94
  5. Step 5: Solve for x
    x = 397,499,910,926.94/585,104.40
  6. Step 6: Final answer
    x = 679,365.79

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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.