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Finding the Fourth Proportional to 370,143.50, 510,799.68 and 200,377.62

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Solution

The fourth proportional to 370,143.50, 510,799.68 and 200,377.62 is: 276,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,143.50 : 510,799.68 = 200,377.62 : x
  2. Step 2: Convert to fraction form
    370,143.50/510,799.68 = 200,377.62/x
  3. Step 3: Cross multiply
    370,143.50x = 510,799.68 × 200,377.62
  4. Step 4: Simplify right side
    370,143.50x = 102,352,824,175.16
  5. Step 5: Solve for x
    x = 102,352,824,175.16/370,143.50
  6. Step 6: Final answer
    x = 276,522.01

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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.