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Finding the Fourth Proportional to 365,229.86, 547,844.80 and 98,990.38

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Solution

The fourth proportional to 365,229.86, 547,844.80 and 98,990.38 is: 148,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,229.86 : 547,844.80 = 98,990.38 : x
  2. Step 2: Convert to fraction form
    365,229.86/547,844.80 = 98,990.38/x
  3. Step 3: Cross multiply
    365,229.86x = 547,844.80 × 98,990.38
  4. Step 4: Simplify right side
    365,229.86x = 54,231,364,119.55
  5. Step 5: Solve for x
    x = 54,231,364,119.55/365,229.86
  6. Step 6: Final answer
    x = 148,485.57

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.