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Finding the Fourth Proportional to 359,232.98, 495,730.90 and 198,087.98

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Solution

The fourth proportional to 359,232.98, 495,730.90 and 198,087.98 is: 273,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,232.98 : 495,730.90 = 198,087.98 : x
  2. Step 2: Convert to fraction form
    359,232.98/495,730.90 = 198,087.98/x
  3. Step 3: Cross multiply
    359,232.98x = 495,730.90 × 198,087.98
  4. Step 4: Simplify right side
    359,232.98x = 98,198,331,614.14
  5. Step 5: Solve for x
    x = 98,198,331,614.14/359,232.98
  6. Step 6: Final answer
    x = 273,355.56

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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.