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Finding the Fourth Proportional to 526,884.54, 790,326.77 and 127,525.29

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Solution

The fourth proportional to 526,884.54, 790,326.77 and 127,525.29 is: 191,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,884.54 : 790,326.77 = 127,525.29 : x
  2. Step 2: Convert to fraction form
    526,884.54/790,326.77 = 127,525.29/x
  3. Step 3: Cross multiply
    526,884.54x = 790,326.77 × 127,525.29
  4. Step 4: Simplify right side
    526,884.54x = 100,786,649,901.39
  5. Step 5: Solve for x
    x = 100,786,649,901.39/526,884.54
  6. Step 6: Final answer
    x = 191,287.92

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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.