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Finding the Fourth Proportional to 572,898.59, 859,391.62 and 173,572.43

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Solution

The fourth proportional to 572,898.59, 859,391.62 and 173,572.43 is: 260,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,898.59 : 859,391.62 = 173,572.43 : x
  2. Step 2: Convert to fraction form
    572,898.59/859,391.62 = 173,572.43/x
  3. Step 3: Cross multiply
    572,898.59x = 859,391.62 × 173,572.43
  4. Step 4: Simplify right side
    572,898.59x = 149,166,691,805.04
  5. Step 5: Solve for x
    x = 149,166,691,805.04/572,898.59
  6. Step 6: Final answer
    x = 260,371.90

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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.