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Finding the Fourth Proportional to 265,337.90, 398,059.37 and 75,799.90

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Solution

The fourth proportional to 265,337.90, 398,059.37 and 75,799.90 is: 113,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,337.90 : 398,059.37 = 75,799.90 : x
  2. Step 2: Convert to fraction form
    265,337.90/398,059.37 = 75,799.90/x
  3. Step 3: Cross multiply
    265,337.90x = 398,059.37 × 75,799.90
  4. Step 4: Simplify right side
    265,337.90x = 30,172,860,440.06
  5. Step 5: Solve for x
    x = 30,172,860,440.06/265,337.90
  6. Step 6: Final answer
    x = 113,714.85

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1.5x scale

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.