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Finding the Fourth Proportional to 439,322.60, 659,162.46 and 158,862.44

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Solution

The fourth proportional to 439,322.60, 659,162.46 and 158,862.44 is: 238,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,322.60 : 659,162.46 = 158,862.44 : x
  2. Step 2: Convert to fraction form
    439,322.60/659,162.46 = 158,862.44/x
  3. Step 3: Cross multiply
    439,322.60x = 659,162.46 × 158,862.44
  4. Step 4: Simplify right side
    439,322.60x = 104,716,156,752.00
  5. Step 5: Solve for x
    x = 104,716,156,752.00/439,322.60
  6. Step 6: Final answer
    x = 238,358.23

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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.