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Finding the Fourth Proportional to 499,039.20, 747,246.60 and 365,194.80

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Solution

The fourth proportional to 499,039.20, 747,246.60 and 365,194.80 is: 546,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,039.20 : 747,246.60 = 365,194.80 : x
  2. Step 2: Convert to fraction form
    499,039.20/747,246.60 = 365,194.80/x
  3. Step 3: Cross multiply
    499,039.20x = 747,246.60 × 365,194.80
  4. Step 4: Simplify right side
    499,039.20x = 272,890,572,637.68
  5. Step 5: Solve for x
    x = 272,890,572,637.68/499,039.20
  6. Step 6: Final answer
    x = 546,831.94

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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.