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Finding the Fourth Proportional to 504,673.25, 696,400.67 and 278,304.17

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Solution

The fourth proportional to 504,673.25, 696,400.67 and 278,304.17 is: 384,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,673.25 : 696,400.67 = 278,304.17 : x
  2. Step 2: Convert to fraction form
    504,673.25/696,400.67 = 278,304.17/x
  3. Step 3: Cross multiply
    504,673.25x = 696,400.67 × 278,304.17
  4. Step 4: Simplify right side
    504,673.25x = 193,811,207,665.55
  5. Step 5: Solve for x
    x = 193,811,207,665.55/504,673.25
  6. Step 6: Final answer
    x = 384,033.05

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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.