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Finding the Fourth Proportional to 632,630.30, 948,945.46 and 258,565.82

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Solution

The fourth proportional to 632,630.30, 948,945.46 and 258,565.82 is: 387,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,630.30 : 948,945.46 = 258,565.82 : x
  2. Step 2: Convert to fraction form
    632,630.30/948,945.46 = 258,565.82/x
  3. Step 3: Cross multiply
    632,630.30x = 948,945.46 × 258,565.82
  4. Step 4: Simplify right side
    632,630.30x = 245,364,861,000.18
  5. Step 5: Solve for x
    x = 245,364,861,000.18/632,630.30
  6. Step 6: Final answer
    x = 387,848.73

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Double scale
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Similar ratio
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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.