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Finding the Fourth Proportional to 280,927.06, 422,304.04 and 225,374.83

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Solution

The fourth proportional to 280,927.06, 422,304.04 and 225,374.83 is: 338,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,927.06 : 422,304.04 = 225,374.83 : x
  2. Step 2: Convert to fraction form
    280,927.06/422,304.04 = 225,374.83/x
  3. Step 3: Cross multiply
    280,927.06x = 422,304.04 × 225,374.83
  4. Step 4: Simplify right side
    280,927.06x = 95,176,699,604.12
  5. Step 5: Solve for x
    x = 95,176,699,604.12/280,927.06
  6. Step 6: Final answer
    x = 338,795.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.