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Finding the Fourth Proportional to 359,252.72, 495,772.09 and 198,113.34

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Solution

The fourth proportional to 359,252.72, 495,772.09 and 198,113.34 is: 273,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,252.72 : 495,772.09 = 198,113.34 : x
  2. Step 2: Convert to fraction form
    359,252.72/495,772.09 = 198,113.34/x
  3. Step 3: Cross multiply
    359,252.72x = 495,772.09 × 198,113.34
  4. Step 4: Simplify right side
    359,252.72x = 98,219,067,106.93
  5. Step 5: Solve for x
    x = 98,219,067,106.93/359,252.72
  6. Step 6: Final answer
    x = 273,398.26

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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.