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Finding the Fourth Proportional to 626,302.44, 864,294.48 and 339,821.82

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Solution

The fourth proportional to 626,302.44, 864,294.48 and 339,821.82 is: 468,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,302.44 : 864,294.48 = 339,821.82 : x
  2. Step 2: Convert to fraction form
    626,302.44/864,294.48 = 339,821.82/x
  3. Step 3: Cross multiply
    626,302.44x = 864,294.48 × 339,821.82
  4. Step 4: Simplify right side
    626,302.44x = 293,706,123,209.55
  5. Step 5: Solve for x
    x = 293,706,123,209.55/626,302.44
  6. Step 6: Final answer
    x = 468,952.55

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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.