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Finding the Fourth Proportional to 359,654.14, 496,287.35 and 198,498.80

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Solution

The fourth proportional to 359,654.14, 496,287.35 and 198,498.80 is: 273,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,654.14 : 496,287.35 = 198,498.80 : x
  2. Step 2: Convert to fraction form
    359,654.14/496,287.35 = 198,498.80/x
  3. Step 3: Cross multiply
    359,654.14x = 496,287.35 × 198,498.80
  4. Step 4: Simplify right side
    359,654.14x = 98,512,443,678.40
  5. Step 5: Solve for x
    x = 98,512,443,678.40/359,654.14
  6. Step 6: Final answer
    x = 273,908.83

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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.