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Finding the Fourth Proportional to 322,038.40, 444,418.08 and 178,807.84

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Solution

The fourth proportional to 322,038.40, 444,418.08 and 178,807.84 is: 246,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,038.40 : 444,418.08 = 178,807.84 : x
  2. Step 2: Convert to fraction form
    322,038.40/444,418.08 = 178,807.84/x
  3. Step 3: Cross multiply
    322,038.40x = 444,418.08 × 178,807.84
  4. Step 4: Simplify right side
    322,038.40x = 79,465,436,941.75
  5. Step 5: Solve for x
    x = 79,465,436,941.75/322,038.40
  6. Step 6: Final answer
    x = 246,757.64

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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.