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Finding the Fourth Proportional to 329,145.92, 454,218 and 185,905.52

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Solution

The fourth proportional to 329,145.92, 454,218 and 185,905.52 is: 256,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,145.92 : 454,218 = 185,905.52 : x
  2. Step 2: Convert to fraction form
    329,145.92/454,218 = 185,905.52/x
  3. Step 3: Cross multiply
    329,145.92x = 454,218 × 185,905.52
  4. Step 4: Simplify right side
    329,145.92x = 84,441,633,483.36
  5. Step 5: Solve for x
    x = 84,441,633,483.36/329,145.92
  6. Step 6: Final answer
    x = 256,547.71

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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.