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Finding the Fourth Proportional to 359,060.49, 538,604.42 and 134,397.27

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Solution

The fourth proportional to 359,060.49, 538,604.42 and 134,397.27 is: 201,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,060.49 : 538,604.42 = 134,397.27 : x
  2. Step 2: Convert to fraction form
    359,060.49/538,604.42 = 134,397.27/x
  3. Step 3: Cross multiply
    359,060.49x = 538,604.42 × 134,397.27
  4. Step 4: Simplify right side
    359,060.49x = 72,386,962,985.95
  5. Step 5: Solve for x
    x = 72,386,962,985.95/359,060.49
  6. Step 6: Final answer
    x = 201,601.03

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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.