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Finding the Fourth Proportional to 636,015.44, 954,018.30 and 162,700.04

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Solution

The fourth proportional to 636,015.44, 954,018.30 and 162,700.04 is: 244,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,015.44 : 954,018.30 = 162,700.04 : x
  2. Step 2: Convert to fraction form
    636,015.44/954,018.30 = 162,700.04/x
  3. Step 3: Cross multiply
    636,015.44x = 954,018.30 × 162,700.04
  4. Step 4: Simplify right side
    636,015.44x = 155,218,818,565.90
  5. Step 5: Solve for x
    x = 155,218,818,565.90/636,015.44
  6. Step 6: Final answer
    x = 244,048.82

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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.