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Finding the Fourth Proportional to 542,844.40, 814,266.60 and 374,882.80

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Solution

The fourth proportional to 542,844.40, 814,266.60 and 374,882.80 is: 562,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,844.40 : 814,266.60 = 374,882.80 : x
  2. Step 2: Convert to fraction form
    542,844.40/814,266.60 = 374,882.80/x
  3. Step 3: Cross multiply
    542,844.40x = 814,266.60 × 374,882.80
  4. Step 4: Simplify right side
    542,844.40x = 305,254,542,954.48
  5. Step 5: Solve for x
    x = 305,254,542,954.48/542,844.40
  6. Step 6: Final answer
    x = 562,324.20

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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.