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Finding the Fourth Proportional to 359,800.98, 496,523.08 and 198,654.61

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Solution

The fourth proportional to 359,800.98, 496,523.08 and 198,654.61 is: 274,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,800.98 : 496,523.08 = 198,654.61 : x
  2. Step 2: Convert to fraction form
    359,800.98/496,523.08 = 198,654.61/x
  3. Step 3: Cross multiply
    359,800.98x = 496,523.08 × 198,654.61
  4. Step 4: Simplify right side
    359,800.98x = 98,636,598,813.40
  5. Step 5: Solve for x
    x = 98,636,598,813.40/359,800.98
  6. Step 6: Final answer
    x = 274,142.11

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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.