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Finding the Fourth Proportional to 359,693.55, 496,377.18 and 198,548.69

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Solution

The fourth proportional to 359,693.55, 496,377.18 and 198,548.69 is: 273,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,693.55 : 496,377.18 = 198,548.69 : x
  2. Step 2: Convert to fraction form
    359,693.55/496,377.18 = 198,548.69/x
  3. Step 3: Cross multiply
    359,693.55x = 496,377.18 × 198,548.69
  4. Step 4: Simplify right side
    359,693.55x = 98,555,036,353.01
  5. Step 5: Solve for x
    x = 98,555,036,353.01/359,693.55
  6. Step 6: Final answer
    x = 273,997.23

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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.