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Finding the Fourth Proportional to 365,003.20, 547,607.20 and 178,020.80

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Solution

The fourth proportional to 365,003.20, 547,607.20 and 178,020.80 is: 267,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,003.20 : 547,607.20 = 178,020.80 : x
  2. Step 2: Convert to fraction form
    365,003.20/547,607.20 = 178,020.80/x
  3. Step 3: Cross multiply
    365,003.20x = 547,607.20 × 178,020.80
  4. Step 4: Simplify right side
    365,003.20x = 97,485,471,829.76
  5. Step 5: Solve for x
    x = 97,485,471,829.76/365,003.20
  6. Step 6: Final answer
    x = 267,081.14

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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.