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Finding the Fourth Proportional to 636,189.24, 954,287.94 and 186,908.28

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Solution

The fourth proportional to 636,189.24, 954,287.94 and 186,908.28 is: 280,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,189.24 : 954,287.94 = 186,908.28 : x
  2. Step 2: Convert to fraction form
    636,189.24/954,287.94 = 186,908.28/x
  3. Step 3: Cross multiply
    636,189.24x = 954,287.94 × 186,908.28
  4. Step 4: Simplify right side
    636,189.24x = 178,364,317,490.14
  5. Step 5: Solve for x
    x = 178,364,317,490.14/636,189.24
  6. Step 6: Final answer
    x = 280,363.62

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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.