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Finding the Fourth Proportional to 296,401.80, 444,616.86 and 96,721.80

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Solution

The fourth proportional to 296,401.80, 444,616.86 and 96,721.80 is: 145,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,401.80 : 444,616.86 = 96,721.80 : x
  2. Step 2: Convert to fraction form
    296,401.80/444,616.86 = 96,721.80/x
  3. Step 3: Cross multiply
    296,401.80x = 444,616.86 × 96,721.80
  4. Step 4: Simplify right side
    296,401.80x = 43,004,143,009.55
  5. Step 5: Solve for x
    x = 43,004,143,009.55/296,401.80
  6. Step 6: Final answer
    x = 145,087.32

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1.5x scale

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.