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Finding the Fourth Proportional to 499,882.47, 689,855.18 and 273,549.03

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Solution

The fourth proportional to 499,882.47, 689,855.18 and 273,549.03 is: 377,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,882.47 : 689,855.18 = 273,549.03 : x
  2. Step 2: Convert to fraction form
    499,882.47/689,855.18 = 273,549.03/x
  3. Step 3: Cross multiply
    499,882.47x = 689,855.18 × 273,549.03
  4. Step 4: Simplify right side
    499,882.47x = 188,709,215,329.48
  5. Step 5: Solve for x
    x = 188,709,215,329.48/499,882.47
  6. Step 6: Final answer
    x = 377,507.17

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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.