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Finding the Fourth Proportional to 636,336.92, 954,505.65 and 187,057.82

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Solution

The fourth proportional to 636,336.92, 954,505.65 and 187,057.82 is: 280,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,336.92 : 954,505.65 = 187,057.82 : x
  2. Step 2: Convert to fraction form
    636,336.92/954,505.65 = 187,057.82/x
  3. Step 3: Cross multiply
    636,336.92x = 954,505.65 × 187,057.82
  4. Step 4: Simplify right side
    636,336.92x = 178,547,746,066.68
  5. Step 5: Solve for x
    x = 178,547,746,066.68/636,336.92
  6. Step 6: Final answer
    x = 280,586.81

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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.