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Finding the Fourth Proportional to 584,634.36, 876,894.06 and 396,304.50

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Solution

The fourth proportional to 584,634.36, 876,894.06 and 396,304.50 is: 594,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,634.36 : 876,894.06 = 396,304.50 : x
  2. Step 2: Convert to fraction form
    584,634.36/876,894.06 = 396,304.50/x
  3. Step 3: Cross multiply
    584,634.36x = 876,894.06 × 396,304.50
  4. Step 4: Simplify right side
    584,634.36x = 347,517,062,001.27
  5. Step 5: Solve for x
    x = 347,517,062,001.27/584,634.36
  6. Step 6: Final answer
    x = 594,417.79

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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.