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Finding the Fourth Proportional to 598,171.02, 825,009.33 and 383,331.12

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Solution

The fourth proportional to 598,171.02, 825,009.33 and 383,331.12 is: 528,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,171.02 : 825,009.33 = 383,331.12 : x
  2. Step 2: Convert to fraction form
    598,171.02/825,009.33 = 383,331.12/x
  3. Step 3: Cross multiply
    598,171.02x = 825,009.33 × 383,331.12
  4. Step 4: Simplify right side
    598,171.02x = 316,251,750,479.35
  5. Step 5: Solve for x
    x = 316,251,750,479.35/598,171.02
  6. Step 6: Final answer
    x = 528,697.88

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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.