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Finding the Fourth Proportional to 359,307.20, 495,856.24 and 198,167.20

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Solution

The fourth proportional to 359,307.20, 495,856.24 and 198,167.20 is: 273,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,307.20 : 495,856.24 = 198,167.20 : x
  2. Step 2: Convert to fraction form
    359,307.20/495,856.24 = 198,167.20/x
  3. Step 3: Cross multiply
    359,307.20x = 495,856.24 × 198,167.20
  4. Step 4: Simplify right side
    359,307.20x = 98,262,442,683.33
  5. Step 5: Solve for x
    x = 98,262,442,683.33/359,307.20
  6. Step 6: Final answer
    x = 273,477.52

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1.5x scale

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.