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Finding the Fourth Proportional to 636,295.42, 954,443.31 and 187,016.32

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Solution

The fourth proportional to 636,295.42, 954,443.31 and 187,016.32 is: 280,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,295.42 : 954,443.31 = 187,016.32 : x
  2. Step 2: Convert to fraction form
    636,295.42/954,443.31 = 187,016.32/x
  3. Step 3: Cross multiply
    636,295.42x = 954,443.31 × 187,016.32
  4. Step 4: Simplify right side
    636,295.42x = 178,496,475,484.82
  5. Step 5: Solve for x
    x = 178,496,475,484.82/636,295.42
  6. Step 6: Final answer
    x = 280,524.53

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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.