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Finding the Fourth Proportional to 542,858.88, 814,599.36 and 303,173.76

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Solution

The fourth proportional to 542,858.88, 814,599.36 and 303,173.76 is: 454,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,858.88 : 814,599.36 = 303,173.76 : x
  2. Step 2: Convert to fraction form
    542,858.88/814,599.36 = 303,173.76/x
  3. Step 3: Cross multiply
    542,858.88x = 814,599.36 × 303,173.76
  4. Step 4: Simplify right side
    542,858.88x = 246,965,150,864.79
  5. Step 5: Solve for x
    x = 246,965,150,864.79/542,858.88
  6. Step 6: Final answer
    x = 454,934.35

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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.