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Finding the Fourth Proportional to 347,461.20, 521,191.80 and 181,227.60

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Solution

The fourth proportional to 347,461.20, 521,191.80 and 181,227.60 is: 271,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,461.20 : 521,191.80 = 181,227.60 : x
  2. Step 2: Convert to fraction form
    347,461.20/521,191.80 = 181,227.60/x
  3. Step 3: Cross multiply
    347,461.20x = 521,191.80 × 181,227.60
  4. Step 4: Simplify right side
    347,461.20x = 94,454,339,053.68
  5. Step 5: Solve for x
    x = 94,454,339,053.68/347,461.20
  6. Step 6: Final answer
    x = 271,841.40

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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.