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Finding the Fourth Proportional to 352,594.50, 486,580.41 and 201,691.50

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Solution

The fourth proportional to 352,594.50, 486,580.41 and 201,691.50 is: 278,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,594.50 : 486,580.41 = 201,691.50 : x
  2. Step 2: Convert to fraction form
    352,594.50/486,580.41 = 201,691.50/x
  3. Step 3: Cross multiply
    352,594.50x = 486,580.41 × 201,691.50
  4. Step 4: Simplify right side
    352,594.50x = 98,139,132,763.52
  5. Step 5: Solve for x
    x = 98,139,132,763.52/352,594.50
  6. Step 6: Final answer
    x = 278,334.27

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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.