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Finding the Fourth Proportional to 321,544, 482,316 and 124,552

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Solution

The fourth proportional to 321,544, 482,316 and 124,552 is: 186,828

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,544 : 482,316 = 124,552 : x
  2. Step 2: Convert to fraction form
    321,544/482,316 = 124,552/x
  3. Step 3: Cross multiply
    321,544x = 482,316 × 124,552
  4. Step 4: Simplify right side
    321,544x = 60,073,422,432
  5. Step 5: Solve for x
    x = 60,073,422,432/321,544
  6. Step 6: Final answer
    x = 186,828

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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.