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Finding the Fourth Proportional to 616,338.24, 924,323.52 and 261,346.56

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Solution

The fourth proportional to 616,338.24, 924,323.52 and 261,346.56 is: 391,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,338.24 : 924,323.52 = 261,346.56 : x
  2. Step 2: Convert to fraction form
    616,338.24/924,323.52 = 261,346.56/x
  3. Step 3: Cross multiply
    616,338.24x = 924,323.52 × 261,346.56
  4. Step 4: Simplify right side
    616,338.24x = 241,568,772,279.09
  5. Step 5: Solve for x
    x = 241,568,772,279.09/616,338.24
  6. Step 6: Final answer
    x = 391,941.89

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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.