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Finding the Fourth Proportional to 598,466.88, 825,137.28 and 383,253.12

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Solution

The fourth proportional to 598,466.88, 825,137.28 and 383,253.12 is: 528,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,466.88 : 825,137.28 = 383,253.12 : x
  2. Step 2: Convert to fraction form
    598,466.88/825,137.28 = 383,253.12/x
  3. Step 3: Cross multiply
    598,466.88x = 825,137.28 × 383,253.12
  4. Step 4: Simplify right side
    598,466.88x = 316,236,436,988.31
  5. Step 5: Solve for x
    x = 316,236,436,988.31/598,466.88
  6. Step 6: Final answer
    x = 528,410.92

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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.