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Finding the Fourth Proportional to 324,654.18, 448,014.17 and 181,415.40

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Solution

The fourth proportional to 324,654.18, 448,014.17 and 181,415.40 is: 250,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,654.18 : 448,014.17 = 181,415.40 : x
  2. Step 2: Convert to fraction form
    324,654.18/448,014.17 = 181,415.40/x
  3. Step 3: Cross multiply
    324,654.18x = 448,014.17 × 181,415.40
  4. Step 4: Simplify right side
    324,654.18x = 81,276,669,856.22
  5. Step 5: Solve for x
    x = 81,276,669,856.22/324,654.18
  6. Step 6: Final answer
    x = 250,348.45

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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.