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Finding the Fourth Proportional to 359,159.68, 495,617.52 and 198,005.92

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Solution

The fourth proportional to 359,159.68, 495,617.52 and 198,005.92 is: 273,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,159.68 : 495,617.52 = 198,005.92 : x
  2. Step 2: Convert to fraction form
    359,159.68/495,617.52 = 198,005.92/x
  3. Step 3: Cross multiply
    359,159.68x = 495,617.52 × 198,005.92
  4. Step 4: Simplify right side
    359,159.68x = 98,135,203,015.72
  5. Step 5: Solve for x
    x = 98,135,203,015.72/359,159.68
  6. Step 6: Final answer
    x = 273,235.58

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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.