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Finding the Fourth Proportional to 574,124.20, 859,145.10 and 500,057.80

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Solution

The fourth proportional to 574,124.20, 859,145.10 and 500,057.80 is: 748,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,124.20 : 859,145.10 = 500,057.80 : x
  2. Step 2: Convert to fraction form
    574,124.20/859,145.10 = 500,057.80/x
  3. Step 3: Cross multiply
    574,124.20x = 859,145.10 × 500,057.80
  4. Step 4: Simplify right side
    574,124.20x = 429,622,208,586.78
  5. Step 5: Solve for x
    x = 429,622,208,586.78/574,124.20
  6. Step 6: Final answer
    x = 748,308.83

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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.