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Finding the Fourth Proportional to 351,700.52, 485,169.76 and 230,825.04

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Solution

The fourth proportional to 351,700.52, 485,169.76 and 230,825.04 is: 318,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,700.52 : 485,169.76 = 230,825.04 : x
  2. Step 2: Convert to fraction form
    351,700.52/485,169.76 = 230,825.04/x
  3. Step 3: Cross multiply
    351,700.52x = 485,169.76 × 230,825.04
  4. Step 4: Simplify right side
    351,700.52x = 111,989,329,258.79
  5. Step 5: Solve for x
    x = 111,989,329,258.79/351,700.52
  6. Step 6: Final answer
    x = 318,422.42

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1.5x scale

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.