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Finding the Fourth Proportional to 466,342.40, 699,513.60 and 150,831.20

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Solution

The fourth proportional to 466,342.40, 699,513.60 and 150,831.20 is: 226,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,342.40 : 699,513.60 = 150,831.20 : x
  2. Step 2: Convert to fraction form
    466,342.40/699,513.60 = 150,831.20/x
  3. Step 3: Cross multiply
    466,342.40x = 699,513.60 × 150,831.20
  4. Step 4: Simplify right side
    466,342.40x = 105,508,475,704.32
  5. Step 5: Solve for x
    x = 105,508,475,704.32/466,342.40
  6. Step 6: Final answer
    x = 226,246.80

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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.