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Finding the Fourth Proportional to 215,863.74, 297,974.08 and 162,304.32

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Solution

The fourth proportional to 215,863.74, 297,974.08 and 162,304.32 is: 224,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,863.74 : 297,974.08 = 162,304.32 : x
  2. Step 2: Convert to fraction form
    215,863.74/297,974.08 = 162,304.32/x
  3. Step 3: Cross multiply
    215,863.74x = 297,974.08 × 162,304.32
  4. Step 4: Simplify right side
    215,863.74x = 48,362,480,432.03
  5. Step 5: Solve for x
    x = 48,362,480,432.03/215,863.74
  6. Step 6: Final answer
    x = 224,041.71

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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.