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Finding the Fourth Proportional to 364,988.40, 547,892.20 and 282,249.20

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Solution

The fourth proportional to 364,988.40, 547,892.20 and 282,249.20 is: 423,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,988.40 : 547,892.20 = 282,249.20 : x
  2. Step 2: Convert to fraction form
    364,988.40/547,892.20 = 282,249.20/x
  3. Step 3: Cross multiply
    364,988.40x = 547,892.20 × 282,249.20
  4. Step 4: Simplify right side
    364,988.40x = 154,642,135,136.24
  5. Step 5: Solve for x
    x = 154,642,135,136.24/364,988.40
  6. Step 6: Final answer
    x = 423,690.55

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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.