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Finding the Fourth Proportional to 352,627.78, 486,627.32 and 191,485.52

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Solution

The fourth proportional to 352,627.78, 486,627.32 and 191,485.52 is: 264,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627.78 : 486,627.32 = 191,485.52 : x
  2. Step 2: Convert to fraction form
    352,627.78/486,627.32 = 191,485.52/x
  3. Step 3: Cross multiply
    352,627.78x = 486,627.32 × 191,485.52
  4. Step 4: Simplify right side
    352,627.78x = 93,182,084,748.28
  5. Step 5: Solve for x
    x = 93,182,084,748.28/352,627.78
  6. Step 6: Final answer
    x = 264,250.55

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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.