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Finding the Fourth Proportional to 636,891.85, 954,055.54 and 294,853.15

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Solution

The fourth proportional to 636,891.85, 954,055.54 and 294,853.15 is: 441,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,891.85 : 954,055.54 = 294,853.15 : x
  2. Step 2: Convert to fraction form
    636,891.85/954,055.54 = 294,853.15/x
  3. Step 3: Cross multiply
    636,891.85x = 954,055.54 × 294,853.15
  4. Step 4: Simplify right side
    636,891.85x = 281,306,281,243.95
  5. Step 5: Solve for x
    x = 281,306,281,243.95/636,891.85
  6. Step 6: Final answer
    x = 441,686.11

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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.