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Finding the Fourth Proportional to 357,132.60, 535,569.30 and 179,580.60

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Solution

The fourth proportional to 357,132.60, 535,569.30 and 179,580.60 is: 269,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,132.60 : 535,569.30 = 179,580.60 : x
  2. Step 2: Convert to fraction form
    357,132.60/535,569.30 = 179,580.60/x
  3. Step 3: Cross multiply
    357,132.60x = 535,569.30 × 179,580.60
  4. Step 4: Simplify right side
    357,132.60x = 96,177,856,235.58
  5. Step 5: Solve for x
    x = 96,177,856,235.58/357,132.60
  6. Step 6: Final answer
    x = 269,305.73

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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.