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Finding the Fourth Proportional to 352,762.62, 486,349.18 and 254,563.46

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Solution

The fourth proportional to 352,762.62, 486,349.18 and 254,563.46 is: 350,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,762.62 : 486,349.18 = 254,563.46 : x
  2. Step 2: Convert to fraction form
    352,762.62/486,349.18 = 254,563.46/x
  3. Step 3: Cross multiply
    352,762.62x = 486,349.18 × 254,563.46
  4. Step 4: Simplify right side
    352,762.62x = 123,806,730,028.96
  5. Step 5: Solve for x
    x = 123,806,730,028.96/352,762.62
  6. Step 6: Final answer
    x = 350,963.29

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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.