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Finding the Fourth Proportional to 488,433.39, 733,123.02 and 235,891.38

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Solution

The fourth proportional to 488,433.39, 733,123.02 and 235,891.38 is: 354,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,433.39 : 733,123.02 = 235,891.38 : x
  2. Step 2: Convert to fraction form
    488,433.39/733,123.02 = 235,891.38/x
  3. Step 3: Cross multiply
    488,433.39x = 733,123.02 × 235,891.38
  4. Step 4: Simplify right side
    488,433.39x = 172,937,400,897.57
  5. Step 5: Solve for x
    x = 172,937,400,897.57/488,433.39
  6. Step 6: Final answer
    x = 354,065.48

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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.