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Finding the Fourth Proportional to 313,519.47, 469,830.87 and 250,531.14

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Solution

The fourth proportional to 313,519.47, 469,830.87 and 250,531.14 is: 375,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,519.47 : 469,830.87 = 250,531.14 : x
  2. Step 2: Convert to fraction form
    313,519.47/469,830.87 = 250,531.14/x
  3. Step 3: Cross multiply
    313,519.47x = 469,830.87 × 250,531.14
  4. Step 4: Simplify right side
    313,519.47x = 117,707,263,468.29
  5. Step 5: Solve for x
    x = 117,707,263,468.29/313,519.47
  6. Step 6: Final answer
    x = 375,438.45

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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.