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Finding the Fourth Proportional to 328,474.28, 453,367.06 and 213,552.92

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Solution

The fourth proportional to 328,474.28, 453,367.06 and 213,552.92 is: 294,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,474.28 : 453,367.06 = 213,552.92 : x
  2. Step 2: Convert to fraction form
    328,474.28/453,367.06 = 213,552.92/x
  3. Step 3: Cross multiply
    328,474.28x = 453,367.06 × 213,552.92
  4. Step 4: Simplify right side
    328,474.28x = 96,817,859,494.82
  5. Step 5: Solve for x
    x = 96,817,859,494.82/328,474.28
  6. Step 6: Final answer
    x = 294,750.20

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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.