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Finding the Fourth Proportional to 332,948, 499,422 and 99,476

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Solution

The fourth proportional to 332,948, 499,422 and 99,476 is: 149,214

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,948 : 499,422 = 99,476 : x
  2. Step 2: Convert to fraction form
    332,948/499,422 = 99,476/x
  3. Step 3: Cross multiply
    332,948x = 499,422 × 99,476
  4. Step 4: Simplify right side
    332,948x = 49,680,502,872
  5. Step 5: Solve for x
    x = 49,680,502,872/332,948
  6. Step 6: Final answer
    x = 149,214

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.