Home / 351,242.48-526,708.20-252,331.76

Finding the Fourth Proportional to 351,242.48, 526,708.20 and 252,331.76

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Solution

The fourth proportional to 351,242.48, 526,708.20 and 252,331.76 is: 378,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,242.48 : 526,708.20 = 252,331.76 : x
  2. Step 2: Convert to fraction form
    351,242.48/526,708.20 = 252,331.76/x
  3. Step 3: Cross multiply
    351,242.48x = 526,708.20 × 252,331.76
  4. Step 4: Simplify right side
    351,242.48x = 132,905,207,112.43
  5. Step 5: Solve for x
    x = 132,905,207,112.43/351,242.48
  6. Step 6: Final answer
    x = 378,385.91

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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.