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Finding the Fourth Proportional to 359,008.30, 495,411.24 and 197,862.85

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Solution

The fourth proportional to 359,008.30, 495,411.24 and 197,862.85 is: 273,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,008.30 : 495,411.24 = 197,862.85 : x
  2. Step 2: Convert to fraction form
    359,008.30/495,411.24 = 197,862.85/x
  3. Step 3: Cross multiply
    359,008.30x = 495,411.24 × 197,862.85
  4. Step 4: Simplify right side
    359,008.30x = 98,023,479,868.43
  5. Step 5: Solve for x
    x = 98,023,479,868.43/359,008.30
  6. Step 6: Final answer
    x = 273,039.59

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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.