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Finding the Fourth Proportional to 332,679.60, 499,332.60 and 175,021.20

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Solution

The fourth proportional to 332,679.60, 499,332.60 and 175,021.20 is: 262,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,679.60 : 499,332.60 = 175,021.20 : x
  2. Step 2: Convert to fraction form
    332,679.60/499,332.60 = 175,021.20/x
  3. Step 3: Cross multiply
    332,679.60x = 499,332.60 × 175,021.20
  4. Step 4: Simplify right side
    332,679.60x = 87,393,790,851.12
  5. Step 5: Solve for x
    x = 87,393,790,851.12/332,679.60
  6. Step 6: Final answer
    x = 262,696.57

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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.