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Finding the Fourth Proportional to 392,046.60, 587,195.10 and 302,598.30

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Solution

The fourth proportional to 392,046.60, 587,195.10 and 302,598.30 is: 453,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,046.60 : 587,195.10 = 302,598.30 : x
  2. Step 2: Convert to fraction form
    392,046.60/587,195.10 = 302,598.30/x
  3. Step 3: Cross multiply
    392,046.60x = 587,195.10 × 302,598.30
  4. Step 4: Simplify right side
    392,046.60x = 177,684,239,028.33
  5. Step 5: Solve for x
    x = 177,684,239,028.33/392,046.60
  6. Step 6: Final answer
    x = 453,222.24

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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.