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Finding the Fourth Proportional to 329,309.52, 454,468.04 and 201,967.76

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Solution

The fourth proportional to 329,309.52, 454,468.04 and 201,967.76 is: 278,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,309.52 : 454,468.04 = 201,967.76 : x
  2. Step 2: Convert to fraction form
    329,309.52/454,468.04 = 201,967.76/x
  3. Step 3: Cross multiply
    329,309.52x = 454,468.04 × 201,967.76
  4. Step 4: Simplify right side
    329,309.52x = 91,787,892,030.39
  5. Step 5: Solve for x
    x = 91,787,892,030.39/329,309.52
  6. Step 6: Final answer
    x = 278,728.33

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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.