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Finding the Fourth Proportional to 522,461.82, 720,329.85 and 338,375.14

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Solution

The fourth proportional to 522,461.82, 720,329.85 and 338,375.14 is: 466,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,461.82 : 720,329.85 = 338,375.14 : x
  2. Step 2: Convert to fraction form
    522,461.82/720,329.85 = 338,375.14/x
  3. Step 3: Cross multiply
    522,461.82x = 720,329.85 × 338,375.14
  4. Step 4: Simplify right side
    522,461.82x = 243,741,713,839.93
  5. Step 5: Solve for x
    x = 243,741,713,839.93/522,461.82
  6. Step 6: Final answer
    x = 466,525.41

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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.