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Finding the Fourth Proportional to 298,259.31, 411,461.88 and 177,331.88

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Solution

The fourth proportional to 298,259.31, 411,461.88 and 177,331.88 is: 244,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,259.31 : 411,461.88 = 177,331.88 : x
  2. Step 2: Convert to fraction form
    298,259.31/411,461.88 = 177,331.88/x
  3. Step 3: Cross multiply
    298,259.31x = 411,461.88 × 177,331.88
  4. Step 4: Simplify right side
    298,259.31x = 72,965,309,092.39
  5. Step 5: Solve for x
    x = 72,965,309,092.39/298,259.31
  6. Step 6: Final answer
    x = 244,637.15

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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.