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Finding the Fourth Proportional to 526,874.07, 790,311.06 and 127,514.91

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Solution

The fourth proportional to 526,874.07, 790,311.06 and 127,514.91 is: 191,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,874.07 : 790,311.06 = 127,514.91 : x
  2. Step 2: Convert to fraction form
    526,874.07/790,311.06 = 127,514.91/x
  3. Step 3: Cross multiply
    526,874.07x = 790,311.06 × 127,514.91
  4. Step 4: Simplify right side
    526,874.07x = 100,776,443,687.91
  5. Step 5: Solve for x
    x = 100,776,443,687.91/526,874.07
  6. Step 6: Final answer
    x = 191,272.35

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Similar ratio
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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.