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Finding the Fourth Proportional to 292,906.60, 439,359.90 and 174,711.40

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Solution

The fourth proportional to 292,906.60, 439,359.90 and 174,711.40 is: 262,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,906.60 : 439,359.90 = 174,711.40 : x
  2. Step 2: Convert to fraction form
    292,906.60/439,359.90 = 174,711.40/x
  3. Step 3: Cross multiply
    292,906.60x = 439,359.90 × 174,711.40
  4. Step 4: Simplify right side
    292,906.60x = 76,761,183,232.86
  5. Step 5: Solve for x
    x = 76,761,183,232.86/292,906.60
  6. Step 6: Final answer
    x = 262,067.10

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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.