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Finding the Fourth Proportional to 526,951.92, 790,429.92 and 127,592.16

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Solution

The fourth proportional to 526,951.92, 790,429.92 and 127,592.16 is: 191,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,951.92 : 790,429.92 = 127,592.16 : x
  2. Step 2: Convert to fraction form
    526,951.92/790,429.92 = 127,592.16/x
  3. Step 3: Cross multiply
    526,951.92x = 790,429.92 × 127,592.16
  4. Step 4: Simplify right side
    526,951.92x = 100,852,660,821.43
  5. Step 5: Solve for x
    x = 100,852,660,821.43/526,951.92
  6. Step 6: Final answer
    x = 191,388.73

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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.