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Finding the Fourth Proportional to 312,674.65, 466,723.74 and 268,584.73

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Solution

The fourth proportional to 312,674.65, 466,723.74 and 268,584.73 is: 400,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,674.65 : 466,723.74 = 268,584.73 : x
  2. Step 2: Convert to fraction form
    312,674.65/466,723.74 = 268,584.73/x
  3. Step 3: Cross multiply
    312,674.65x = 466,723.74 × 268,584.73
  4. Step 4: Simplify right side
    312,674.65x = 125,354,867,518.49
  5. Step 5: Solve for x
    x = 125,354,867,518.49/312,674.65
  6. Step 6: Final answer
    x = 400,911.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.