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Finding the Fourth Proportional to 322,805.70, 445,461.66 and 179,564.49

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Solution

The fourth proportional to 322,805.70, 445,461.66 and 179,564.49 is: 247,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,805.70 : 445,461.66 = 179,564.49 : x
  2. Step 2: Convert to fraction form
    322,805.70/445,461.66 = 179,564.49/x
  3. Step 3: Cross multiply
    322,805.70x = 445,461.66 × 179,564.49
  4. Step 4: Simplify right side
    322,805.70x = 79,989,095,792.45
  5. Step 5: Solve for x
    x = 79,989,095,792.45/322,805.70
  6. Step 6: Final answer
    x = 247,793.32

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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.