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Finding the Fourth Proportional to 504,617.13, 696,376.85 and 278,270.73

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Solution

The fourth proportional to 504,617.13, 696,376.85 and 278,270.73 is: 384,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,617.13 : 696,376.85 = 278,270.73 : x
  2. Step 2: Convert to fraction form
    504,617.13/696,376.85 = 278,270.73/x
  3. Step 3: Cross multiply
    504,617.13x = 696,376.85 × 278,270.73
  4. Step 4: Simplify right side
    504,617.13x = 193,781,293,013.25
  5. Step 5: Solve for x
    x = 193,781,293,013.25/504,617.13
  6. Step 6: Final answer
    x = 384,016.48

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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.