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Finding the Fourth Proportional to 321,758.01, 444,026.10 and 178,517.70

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Solution

The fourth proportional to 321,758.01, 444,026.10 and 178,517.70 is: 246,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,758.01 : 444,026.10 = 178,517.70 : x
  2. Step 2: Convert to fraction form
    321,758.01/444,026.10 = 178,517.70/x
  3. Step 3: Cross multiply
    321,758.01x = 444,026.10 × 178,517.70
  4. Step 4: Simplify right side
    321,758.01x = 79,266,518,111.97
  5. Step 5: Solve for x
    x = 79,266,518,111.97/321,758.01
  6. Step 6: Final answer
    x = 246,354.45

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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.