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Finding the Fourth Proportional to 359,234.46, 538,559.46 and 134,469

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Solution

The fourth proportional to 359,234.46, 538,559.46 and 134,469 is: 201,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,234.46 : 538,559.46 = 134,469 : x
  2. Step 2: Convert to fraction form
    359,234.46/538,559.46 = 134,469/x
  3. Step 3: Cross multiply
    359,234.46x = 538,559.46 × 134,469
  4. Step 4: Simplify right side
    359,234.46x = 72,419,552,026.74
  5. Step 5: Solve for x
    x = 72,419,552,026.74/359,234.46
  6. Step 6: Final answer
    x = 201,594.11

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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.