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Finding the Fourth Proportional to 542,995.70, 814,493.55 and 501,005.30

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Solution

The fourth proportional to 542,995.70, 814,493.55 and 501,005.30 is: 751,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,995.70 : 814,493.55 = 501,005.30 : x
  2. Step 2: Convert to fraction form
    542,995.70/814,493.55 = 501,005.30/x
  3. Step 3: Cross multiply
    542,995.70x = 814,493.55 × 501,005.30
  4. Step 4: Simplify right side
    542,995.70x = 408,065,585,365.82
  5. Step 5: Solve for x
    x = 408,065,585,365.82/542,995.70
  6. Step 6: Final answer
    x = 751,507.95

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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.