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Finding the Fourth Proportional to 598,367.52, 825,493.68 and 383,438.88

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Solution

The fourth proportional to 598,367.52, 825,493.68 and 383,438.88 is: 528,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,367.52 : 825,493.68 = 383,438.88 : x
  2. Step 2: Convert to fraction form
    598,367.52/825,493.68 = 383,438.88/x
  3. Step 3: Cross multiply
    598,367.52x = 825,493.68 × 383,438.88
  4. Step 4: Simplify right side
    598,367.52x = 316,526,372,106.28
  5. Step 5: Solve for x
    x = 316,526,372,106.28/598,367.52
  6. Step 6: Final answer
    x = 528,983.21

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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.