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Finding the Fourth Proportional to 328,976.46, 454,008.51 and 185,684.22

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Solution

The fourth proportional to 328,976.46, 454,008.51 and 185,684.22 is: 256,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,976.46 : 454,008.51 = 185,684.22 : x
  2. Step 2: Convert to fraction form
    328,976.46/454,008.51 = 185,684.22/x
  3. Step 3: Cross multiply
    328,976.46x = 454,008.51 × 185,684.22
  4. Step 4: Simplify right side
    328,976.46x = 84,302,216,052.71
  5. Step 5: Solve for x
    x = 84,302,216,052.71/328,976.46
  6. Step 6: Final answer
    x = 256,256.07

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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.