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Finding the Fourth Proportional to 328,516.54, 453,351.66 and 185,275.74

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Solution

The fourth proportional to 328,516.54, 453,351.66 and 185,275.74 is: 255,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,516.54 : 453,351.66 = 185,275.74 : x
  2. Step 2: Convert to fraction form
    328,516.54/453,351.66 = 185,275.74/x
  3. Step 3: Cross multiply
    328,516.54x = 453,351.66 × 185,275.74
  4. Step 4: Simplify right side
    328,516.54x = 83,995,064,286.73
  5. Step 5: Solve for x
    x = 83,995,064,286.73/328,516.54
  6. Step 6: Final answer
    x = 255,679.86

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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.