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Finding the Fourth Proportional to 330,712.34, 456,382.42 and 179,808.98

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Solution

The fourth proportional to 330,712.34, 456,382.42 and 179,808.98 is: 248,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,712.34 : 456,382.42 = 179,808.98 : x
  2. Step 2: Convert to fraction form
    330,712.34/456,382.42 = 179,808.98/x
  3. Step 3: Cross multiply
    330,712.34x = 456,382.42 × 179,808.98
  4. Step 4: Simplify right side
    330,712.34x = 82,061,654,698.70
  5. Step 5: Solve for x
    x = 82,061,654,698.70/330,712.34
  6. Step 6: Final answer
    x = 248,136.06

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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.