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Finding the Fourth Proportional to 359,847.68, 496,587.36 and 198,712.88

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Solution

The fourth proportional to 359,847.68, 496,587.36 and 198,712.88 is: 274,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,847.68 : 496,587.36 = 198,712.88 : x
  2. Step 2: Convert to fraction form
    359,847.68/496,587.36 = 198,712.88/x
  3. Step 3: Cross multiply
    359,847.68x = 496,587.36 × 198,712.88
  4. Step 4: Simplify right side
    359,847.68x = 98,678,304,477.20
  5. Step 5: Solve for x
    x = 98,678,304,477.20/359,847.68
  6. Step 6: Final answer
    x = 274,222.43

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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.