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Finding the Fourth Proportional to 359,275.93, 495,793.88 and 198,145.87

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Solution

The fourth proportional to 359,275.93, 495,793.88 and 198,145.87 is: 273,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,275.93 : 495,793.88 = 198,145.87 : x
  2. Step 2: Convert to fraction form
    359,275.93/495,793.88 = 198,145.87/x
  3. Step 3: Cross multiply
    359,275.93x = 495,793.88 × 198,145.87
  4. Step 4: Simplify right side
    359,275.93x = 98,239,508,206.11
  5. Step 5: Solve for x
    x = 98,239,508,206.11/359,275.93
  6. Step 6: Final answer
    x = 273,437.49

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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.