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Finding the Fourth Proportional to 542,026.74, 747,987.16 and 300,304.44

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Solution

The fourth proportional to 542,026.74, 747,987.16 and 300,304.44 is: 414,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,026.74 : 747,987.16 = 300,304.44 : x
  2. Step 2: Convert to fraction form
    542,026.74/747,987.16 = 300,304.44/x
  3. Step 3: Cross multiply
    542,026.74x = 747,987.16 × 300,304.44
  4. Step 4: Simplify right side
    542,026.74x = 224,623,865,210.99
  5. Step 5: Solve for x
    x = 224,623,865,210.99/542,026.74
  6. Step 6: Final answer
    x = 414,414.73

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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.