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Finding the Fourth Proportional to 526,959.92, 790,441.92 and 127,600.16

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Solution

The fourth proportional to 526,959.92, 790,441.92 and 127,600.16 is: 191,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,959.92 : 790,441.92 = 127,600.16 : x
  2. Step 2: Convert to fraction form
    526,959.92/790,441.92 = 127,600.16/x
  3. Step 3: Cross multiply
    526,959.92x = 790,441.92 × 127,600.16
  4. Step 4: Simplify right side
    526,959.92x = 100,860,515,462.71
  5. Step 5: Solve for x
    x = 100,860,515,462.71/526,959.92
  6. Step 6: Final answer
    x = 191,400.73

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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.