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Finding the Fourth Proportional to 444,616.17, 613,647.85 and 263,430.11

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Solution

The fourth proportional to 444,616.17, 613,647.85 and 263,430.11 is: 363,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,616.17 : 613,647.85 = 263,430.11 : x
  2. Step 2: Convert to fraction form
    444,616.17/613,647.85 = 263,430.11/x
  3. Step 3: Cross multiply
    444,616.17x = 613,647.85 × 263,430.11
  4. Step 4: Simplify right side
    444,616.17x = 161,653,320,626.76
  5. Step 5: Solve for x
    x = 161,653,320,626.76/444,616.17
  6. Step 6: Final answer
    x = 363,579.49

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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.