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Finding the Fourth Proportional to 299,149.72, 448,726.24 and 74,510.18

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Solution

The fourth proportional to 299,149.72, 448,726.24 and 74,510.18 is: 111,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,149.72 : 448,726.24 = 74,510.18 : x
  2. Step 2: Convert to fraction form
    299,149.72/448,726.24 = 74,510.18/x
  3. Step 3: Cross multiply
    299,149.72x = 448,726.24 × 74,510.18
  4. Step 4: Simplify right side
    299,149.72x = 33,434,672,913.12
  5. Step 5: Solve for x
    x = 33,434,672,913.12/299,149.72
  6. Step 6: Final answer
    x = 111,765.68

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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.