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Finding the Fourth Proportional to 322,995, 484,496.82 and 101,379

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Solution

The fourth proportional to 322,995, 484,496.82 and 101,379 is: 152,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,995 : 484,496.82 = 101,379 : x
  2. Step 2: Convert to fraction form
    322,995/484,496.82 = 101,379/x
  3. Step 3: Cross multiply
    322,995x = 484,496.82 × 101,379
  4. Step 4: Simplify right side
    322,995x = 49,117,803,114.78
  5. Step 5: Solve for x
    x = 49,117,803,114.78/322,995
  6. Step 6: Final answer
    x = 152,069.86

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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.