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Finding the Fourth Proportional to 632,479.14, 948,732.51 and 253,578.30

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Solution

The fourth proportional to 632,479.14, 948,732.51 and 253,578.30 is: 380,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,479.14 : 948,732.51 = 253,578.30 : x
  2. Step 2: Convert to fraction form
    632,479.14/948,732.51 = 253,578.30/x
  3. Step 3: Cross multiply
    632,479.14x = 948,732.51 × 253,578.30
  4. Step 4: Simplify right side
    632,479.14x = 240,577,977,040.53
  5. Step 5: Solve for x
    x = 240,577,977,040.53/632,479.14
  6. Step 6: Final answer
    x = 380,372.98

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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.