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Finding the Fourth Proportional to 439,503.60, 659,255.40 and 158,955.24

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Solution

The fourth proportional to 439,503.60, 659,255.40 and 158,955.24 is: 238,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,503.60 : 659,255.40 = 158,955.24 : x
  2. Step 2: Convert to fraction form
    439,503.60/659,255.40 = 158,955.24/x
  3. Step 3: Cross multiply
    439,503.60x = 659,255.40 × 158,955.24
  4. Step 4: Simplify right side
    439,503.60x = 104,792,100,328.30
  5. Step 5: Solve for x
    x = 104,792,100,328.30/439,503.60
  6. Step 6: Final answer
    x = 238,432.86

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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.