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Finding the Fourth Proportional to 532,917.60, 799,376.40 and 158,940.60

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Solution

The fourth proportional to 532,917.60, 799,376.40 and 158,940.60 is: 238,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,917.60 : 799,376.40 = 158,940.60 : x
  2. Step 2: Convert to fraction form
    532,917.60/799,376.40 = 158,940.60/x
  3. Step 3: Cross multiply
    532,917.60x = 799,376.40 × 158,940.60
  4. Step 4: Simplify right side
    532,917.60x = 127,053,364,641.84
  5. Step 5: Solve for x
    x = 127,053,364,641.84/532,917.60
  6. Step 6: Final answer
    x = 238,410.90

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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.