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Finding the Fourth Proportional to 561,027.20, 841,540.80 and 181,947.20

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Solution

The fourth proportional to 561,027.20, 841,540.80 and 181,947.20 is: 272,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,027.20 : 841,540.80 = 181,947.20 : x
  2. Step 2: Convert to fraction form
    561,027.20/841,540.80 = 181,947.20/x
  3. Step 3: Cross multiply
    561,027.20x = 841,540.80 × 181,947.20
  4. Step 4: Simplify right side
    561,027.20x = 153,115,992,245.76
  5. Step 5: Solve for x
    x = 153,115,992,245.76/561,027.20
  6. Step 6: Final answer
    x = 272,920.80

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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.