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Finding the Fourth Proportional to 561,796.80, 842,695.20 and 534,148.80

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Solution

The fourth proportional to 561,796.80, 842,695.20 and 534,148.80 is: 801,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,796.80 : 842,695.20 = 534,148.80 : x
  2. Step 2: Convert to fraction form
    561,796.80/842,695.20 = 534,148.80/x
  3. Step 3: Cross multiply
    561,796.80x = 842,695.20 × 534,148.80
  4. Step 4: Simplify right side
    561,796.80x = 450,124,629,845.76
  5. Step 5: Solve for x
    x = 450,124,629,845.76/561,796.80
  6. Step 6: Final answer
    x = 801,223.20

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Similar ratio
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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.