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Finding the Fourth Proportional to 542,716.30, 748,994.46 and 301,076.70

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Solution

The fourth proportional to 542,716.30, 748,994.46 and 301,076.70 is: 415,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,716.30 : 748,994.46 = 301,076.70 : x
  2. Step 2: Convert to fraction form
    542,716.30/748,994.46 = 301,076.70/x
  3. Step 3: Cross multiply
    542,716.30x = 748,994.46 × 301,076.70
  4. Step 4: Simplify right side
    542,716.30x = 225,504,780,335.08
  5. Step 5: Solve for x
    x = 225,504,780,335.08/542,716.30
  6. Step 6: Final answer
    x = 415,511.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.