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Finding the Fourth Proportional to 359,205.71, 495,726.35 and 198,060.53

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Solution

The fourth proportional to 359,205.71, 495,726.35 and 198,060.53 is: 273,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,205.71 : 495,726.35 = 198,060.53 : x
  2. Step 2: Convert to fraction form
    359,205.71/495,726.35 = 198,060.53/x
  3. Step 3: Cross multiply
    359,205.71x = 495,726.35 × 198,060.53
  4. Step 4: Simplify right side
    359,205.71x = 98,183,820,147.03
  5. Step 5: Solve for x
    x = 98,183,820,147.03/359,205.71
  6. Step 6: Final answer
    x = 273,335.92

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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.