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Finding the Fourth Proportional to 322,029.12, 444,320.10 and 178,753.32

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Solution

The fourth proportional to 322,029.12, 444,320.10 and 178,753.32 is: 246,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,029.12 : 444,320.10 = 178,753.32 : x
  2. Step 2: Convert to fraction form
    322,029.12/444,320.10 = 178,753.32/x
  3. Step 3: Cross multiply
    322,029.12x = 444,320.10 × 178,753.32
  4. Step 4: Simplify right side
    322,029.12x = 79,423,693,017.73
  5. Step 5: Solve for x
    x = 79,423,693,017.73/322,029.12
  6. Step 6: Final answer
    x = 246,635.13

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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.