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Finding the Fourth Proportional to 385,902.24, 532,252.22 and 338,072.54

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Solution

The fourth proportional to 385,902.24, 532,252.22 and 338,072.54 is: 466,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,902.24 : 532,252.22 = 338,072.54 : x
  2. Step 2: Convert to fraction form
    385,902.24/532,252.22 = 338,072.54/x
  3. Step 3: Cross multiply
    385,902.24x = 532,252.22 × 338,072.54
  4. Step 4: Simplify right side
    385,902.24x = 179,939,859,936.04
  5. Step 5: Solve for x
    x = 179,939,859,936.04/385,902.24
  6. Step 6: Final answer
    x = 466,283.53

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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.