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Finding the Fourth Proportional to 636,118.44, 954,294.30 and 261,937.32

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Solution

The fourth proportional to 636,118.44, 954,294.30 and 261,937.32 is: 392,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,118.44 : 954,294.30 = 261,937.32 : x
  2. Step 2: Convert to fraction form
    636,118.44/954,294.30 = 261,937.32/x
  3. Step 3: Cross multiply
    636,118.44x = 954,294.30 × 261,937.32
  4. Step 4: Simplify right side
    636,118.44x = 249,965,291,433.28
  5. Step 5: Solve for x
    x = 249,965,291,433.28/636,118.44
  6. Step 6: Final answer
    x = 392,954.01

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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.