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Finding the Fourth Proportional to 417,843, 576,630.12 and 236,550.24

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Solution

The fourth proportional to 417,843, 576,630.12 and 236,550.24 is: 326,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,843 : 576,630.12 = 236,550.24 : x
  2. Step 2: Convert to fraction form
    417,843/576,630.12 = 236,550.24/x
  3. Step 3: Cross multiply
    417,843x = 576,630.12 × 236,550.24
  4. Step 4: Simplify right side
    417,843x = 136,401,993,277.23
  5. Step 5: Solve for x
    x = 136,401,993,277.23/417,843
  6. Step 6: Final answer
    x = 326,443.17

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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.