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Finding the Fourth Proportional to 350,294.31, 482,387.97 and 304,332.69

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Solution

The fourth proportional to 350,294.31, 482,387.97 and 304,332.69 is: 419,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,294.31 : 482,387.97 = 304,332.69 : x
  2. Step 2: Convert to fraction form
    350,294.31/482,387.97 = 304,332.69/x
  3. Step 3: Cross multiply
    350,294.31x = 482,387.97 × 304,332.69
  4. Step 4: Simplify right side
    350,294.31x = 146,806,426,121.80
  5. Step 5: Solve for x
    x = 146,806,426,121.80/350,294.31
  6. Step 6: Final answer
    x = 419,094.52

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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.