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Finding the Fourth Proportional to 573,041.80, 859,562.70 and 515,961.10

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Solution

The fourth proportional to 573,041.80, 859,562.70 and 515,961.10 is: 773,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,041.80 : 859,562.70 = 515,961.10 : x
  2. Step 2: Convert to fraction form
    573,041.80/859,562.70 = 515,961.10/x
  3. Step 3: Cross multiply
    573,041.80x = 859,562.70 × 515,961.10
  4. Step 4: Simplify right side
    573,041.80x = 443,500,916,210.97
  5. Step 5: Solve for x
    x = 443,500,916,210.97/573,041.80
  6. Step 6: Final answer
    x = 773,941.65

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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.