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Finding the Fourth Proportional to 541,531.62, 812,422.02 and 181,750.20

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Solution

The fourth proportional to 541,531.62, 812,422.02 and 181,750.20 is: 272,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,531.62 : 812,422.02 = 181,750.20 : x
  2. Step 2: Convert to fraction form
    541,531.62/812,422.02 = 181,750.20/x
  3. Step 3: Cross multiply
    541,531.62x = 812,422.02 × 181,750.20
  4. Step 4: Simplify right side
    541,531.62x = 147,657,864,619.40
  5. Step 5: Solve for x
    x = 147,657,864,619.40/541,531.62
  6. Step 6: Final answer
    x = 272,667.12

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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.