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Finding the Fourth Proportional to 359,785.92, 496,505.34 and 198,641.28

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Solution

The fourth proportional to 359,785.92, 496,505.34 and 198,641.28 is: 274,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,785.92 : 496,505.34 = 198,641.28 : x
  2. Step 2: Convert to fraction form
    359,785.92/496,505.34 = 198,641.28/x
  3. Step 3: Cross multiply
    359,785.92x = 496,505.34 × 198,641.28
  4. Step 4: Simplify right side
    359,785.92x = 98,626,456,264.44
  5. Step 5: Solve for x
    x = 98,626,456,264.44/359,785.92
  6. Step 6: Final answer
    x = 274,125.39

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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.