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Finding the Fourth Proportional to 636,269.58, 954,374.13 and 186,972.30

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Solution

The fourth proportional to 636,269.58, 954,374.13 and 186,972.30 is: 280,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,269.58 : 954,374.13 = 186,972.30 : x
  2. Step 2: Convert to fraction form
    636,269.58/954,374.13 = 186,972.30/x
  3. Step 3: Cross multiply
    636,269.58x = 954,374.13 × 186,972.30
  4. Step 4: Simplify right side
    636,269.58x = 178,441,526,146.60
  5. Step 5: Solve for x
    x = 178,441,526,146.60/636,269.58
  6. Step 6: Final answer
    x = 280,449.56

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1.5x scale

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.