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Finding the Fourth Proportional to 365,047.20, 547,673.20 and 178,064.80

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Solution

The fourth proportional to 365,047.20, 547,673.20 and 178,064.80 is: 267,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,047.20 : 547,673.20 = 178,064.80 : x
  2. Step 2: Convert to fraction form
    365,047.20/547,673.20 = 178,064.80/x
  3. Step 3: Cross multiply
    365,047.20x = 547,673.20 × 178,064.80
  4. Step 4: Simplify right side
    365,047.20x = 97,521,318,823.36
  5. Step 5: Solve for x
    x = 97,521,318,823.36/365,047.20
  6. Step 6: Final answer
    x = 267,147.15

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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.