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Finding the Fourth Proportional to 560,239.14, 773,098.65 and 318,488.16

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Solution

The fourth proportional to 560,239.14, 773,098.65 and 318,488.16 is: 439,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,239.14 : 773,098.65 = 318,488.16 : x
  2. Step 2: Convert to fraction form
    560,239.14/773,098.65 = 318,488.16/x
  3. Step 3: Cross multiply
    560,239.14x = 773,098.65 × 318,488.16
  4. Step 4: Simplify right side
    560,239.14x = 246,222,766,536.98
  5. Step 5: Solve for x
    x = 246,222,766,536.98/560,239.14
  6. Step 6: Final answer
    x = 439,495.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.