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Finding the Fourth Proportional to 359,275.10, 495,789.86 and 198,127.22

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Solution

The fourth proportional to 359,275.10, 495,789.86 and 198,127.22 is: 273,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,275.10 : 495,789.86 = 198,127.22 : x
  2. Step 2: Convert to fraction form
    359,275.10/495,789.86 = 198,127.22/x
  3. Step 3: Cross multiply
    359,275.10x = 495,789.86 × 198,127.22
  4. Step 4: Simplify right side
    359,275.10x = 98,229,464,682.36
  5. Step 5: Solve for x
    x = 98,229,464,682.36/359,275.10
  6. Step 6: Final answer
    x = 273,410.17

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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.