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Finding the Fourth Proportional to 359,840.03, 496,576.04 and 198,691.61

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Solution

The fourth proportional to 359,840.03, 496,576.04 and 198,691.61 is: 274,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,840.03 : 496,576.04 = 198,691.61 : x
  2. Step 2: Convert to fraction form
    359,840.03/496,576.04 = 198,691.61/x
  3. Step 3: Cross multiply
    359,840.03x = 496,576.04 × 198,691.61
  4. Step 4: Simplify right side
    359,840.03x = 98,665,489,398.69
  5. Step 5: Solve for x
    x = 98,665,489,398.69/359,840.03
  6. Step 6: Final answer
    x = 274,192.65

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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.