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Finding the Fourth Proportional to 574,698.87, 861,162.03 and 363,893.94

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Solution

The fourth proportional to 574,698.87, 861,162.03 and 363,893.94 is: 545,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,698.87 : 861,162.03 = 363,893.94 : x
  2. Step 2: Convert to fraction form
    574,698.87/861,162.03 = 363,893.94/x
  3. Step 3: Cross multiply
    574,698.87x = 861,162.03 × 363,893.94
  4. Step 4: Simplify right side
    574,698.87x = 313,371,644,075.10
  5. Step 5: Solve for x
    x = 313,371,644,075.10/574,698.87
  6. Step 6: Final answer
    x = 545,279.73

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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.