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Finding the Fourth Proportional to 362,687.32, 544,209.18 and 163,148.68

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Solution

The fourth proportional to 362,687.32, 544,209.18 and 163,148.68 is: 244,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,687.32 : 544,209.18 = 163,148.68 : x
  2. Step 2: Convert to fraction form
    362,687.32/544,209.18 = 163,148.68/x
  3. Step 3: Cross multiply
    362,687.32x = 544,209.18 × 163,148.68
  4. Step 4: Simplify right side
    362,687.32x = 88,787,009,360.88
  5. Step 5: Solve for x
    x = 88,787,009,360.88/362,687.32
  6. Step 6: Final answer
    x = 244,803.18

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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.