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Finding the Fourth Proportional to 232,257.30, 348,645.15 and 217,029.30

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Solution

The fourth proportional to 232,257.30, 348,645.15 and 217,029.30 is: 325,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,257.30 : 348,645.15 = 217,029.30 : x
  2. Step 2: Convert to fraction form
    232,257.30/348,645.15 = 217,029.30/x
  3. Step 3: Cross multiply
    232,257.30x = 348,645.15 × 217,029.30
  4. Step 4: Simplify right side
    232,257.30x = 75,666,212,852.90
  5. Step 5: Solve for x
    x = 75,666,212,852.90/232,257.30
  6. Step 6: Final answer
    x = 325,786.16

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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.