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Finding the Fourth Proportional to 232,005.40, 348,008.10 and 218,181.40

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Solution

The fourth proportional to 232,005.40, 348,008.10 and 218,181.40 is: 327,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,005.40 : 348,008.10 = 218,181.40 : x
  2. Step 2: Convert to fraction form
    232,005.40/348,008.10 = 218,181.40/x
  3. Step 3: Cross multiply
    232,005.40x = 348,008.10 × 218,181.40
  4. Step 4: Simplify right side
    232,005.40x = 75,928,894,469.34
  5. Step 5: Solve for x
    x = 75,928,894,469.34/232,005.40
  6. Step 6: Final answer
    x = 327,272.10

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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.