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Finding the Fourth Proportional to 359,246.47, 495,772.10 and 195,911.91

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Solution

The fourth proportional to 359,246.47, 495,772.10 and 195,911.91 is: 270,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,246.47 : 495,772.10 = 195,911.91 : x
  2. Step 2: Convert to fraction form
    359,246.47/495,772.10 = 195,911.91/x
  3. Step 3: Cross multiply
    359,246.47x = 495,772.10 × 195,911.91
  4. Step 4: Simplify right side
    359,246.47x = 97,127,659,035.71
  5. Step 5: Solve for x
    x = 97,127,659,035.71/359,246.47
  6. Step 6: Final answer
    x = 270,364.96

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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.