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Finding the Fourth Proportional to 598,009.28, 825,242.28 and 326,079.32

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Solution

The fourth proportional to 598,009.28, 825,242.28 and 326,079.32 is: 449,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,009.28 : 825,242.28 = 326,079.32 : x
  2. Step 2: Convert to fraction form
    598,009.28/825,242.28 = 326,079.32/x
  3. Step 3: Cross multiply
    598,009.28x = 825,242.28 × 326,079.32
  4. Step 4: Simplify right side
    598,009.28x = 269,094,441,497.65
  5. Step 5: Solve for x
    x = 269,094,441,497.65/598,009.28
  6. Step 6: Final answer
    x = 449,983.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.