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Finding the Fourth Proportional to 541,987.95, 747,933.20 and 300,265.22

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Solution

The fourth proportional to 541,987.95, 747,933.20 and 300,265.22 is: 414,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,987.95 : 747,933.20 = 300,265.22 : x
  2. Step 2: Convert to fraction form
    541,987.95/747,933.20 = 300,265.22/x
  3. Step 3: Cross multiply
    541,987.95x = 747,933.20 × 300,265.22
  4. Step 4: Simplify right side
    541,987.95x = 224,578,326,843.30
  5. Step 5: Solve for x
    x = 224,578,326,843.30/541,987.95
  6. Step 6: Final answer
    x = 414,360.37

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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.