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Finding the Fourth Proportional to 550,885.20, 826,279.20 and 151,490.40

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Solution

The fourth proportional to 550,885.20, 826,279.20 and 151,490.40 is: 227,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,885.20 : 826,279.20 = 151,490.40 : x
  2. Step 2: Convert to fraction form
    550,885.20/826,279.20 = 151,490.40/x
  3. Step 3: Cross multiply
    550,885.20x = 826,279.20 × 151,490.40
  4. Step 4: Simplify right side
    550,885.20x = 125,173,366,519.68
  5. Step 5: Solve for x
    x = 125,173,366,519.68/550,885.20
  6. Step 6: Final answer
    x = 227,222.24

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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.