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Finding the Fourth Proportional to 329,322.52, 454,275.57 and 198,409.24

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Solution

The fourth proportional to 329,322.52, 454,275.57 and 198,409.24 is: 273,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,322.52 : 454,275.57 = 198,409.24 : x
  2. Step 2: Convert to fraction form
    329,322.52/454,275.57 = 198,409.24/x
  3. Step 3: Cross multiply
    329,322.52x = 454,275.57 × 198,409.24
  4. Step 4: Simplify right side
    329,322.52x = 90,132,470,594.27
  5. Step 5: Solve for x
    x = 90,132,470,594.27/329,322.52
  6. Step 6: Final answer
    x = 273,690.58

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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.