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Finding the Fourth Proportional to 359,543.97, 496,156.18 and 198,396.93

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Solution

The fourth proportional to 359,543.97, 496,156.18 and 198,396.93 is: 273,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,543.97 : 496,156.18 = 198,396.93 : x
  2. Step 2: Convert to fraction form
    359,543.97/496,156.18 = 198,396.93/x
  3. Step 3: Cross multiply
    359,543.97x = 496,156.18 × 198,396.93
  4. Step 4: Simplify right side
    359,543.97x = 98,435,859,439.76
  5. Step 5: Solve for x
    x = 98,435,859,439.76/359,543.97
  6. Step 6: Final answer
    x = 273,779.75

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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.