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Finding the Fourth Proportional to 366,926.60, 550,389.90 and 278,353.10

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Solution

The fourth proportional to 366,926.60, 550,389.90 and 278,353.10 is: 417,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.60 : 550,389.90 = 278,353.10 : x
  2. Step 2: Convert to fraction form
    366,926.60/550,389.90 = 278,353.10/x
  3. Step 3: Cross multiply
    366,926.60x = 550,389.90 × 278,353.10
  4. Step 4: Simplify right side
    366,926.60x = 153,202,734,873.69
  5. Step 5: Solve for x
    x = 153,202,734,873.69/366,926.60
  6. Step 6: Final answer
    x = 417,529.65

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Similar ratio
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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.