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Finding the Fourth Proportional to 488,578.20, 733,040.10 and 471,298.20

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Solution

The fourth proportional to 488,578.20, 733,040.10 and 471,298.20 is: 707,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,578.20 : 733,040.10 = 471,298.20 : x
  2. Step 2: Convert to fraction form
    488,578.20/733,040.10 = 471,298.20/x
  3. Step 3: Cross multiply
    488,578.20x = 733,040.10 × 471,298.20
  4. Step 4: Simplify right side
    488,578.20x = 345,480,479,657.82
  5. Step 5: Solve for x
    x = 345,480,479,657.82/488,578.20
  6. Step 6: Final answer
    x = 707,113.99

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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.