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Finding the Fourth Proportional to 625,526.69, 863,227.75 and 339,046.70

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Solution

The fourth proportional to 625,526.69, 863,227.75 and 339,046.70 is: 467,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,526.69 : 863,227.75 = 339,046.70 : x
  2. Step 2: Convert to fraction form
    625,526.69/863,227.75 = 339,046.70/x
  3. Step 3: Cross multiply
    625,526.69x = 863,227.75 × 339,046.70
  4. Step 4: Simplify right side
    625,526.69x = 292,674,519,985.93
  5. Step 5: Solve for x
    x = 292,674,519,985.93/625,526.69
  6. Step 6: Final answer
    x = 467,884.94

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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.