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Finding the Fourth Proportional to 467,089.32, 644,585.22 and 263,142.68

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Solution

The fourth proportional to 467,089.32, 644,585.22 and 263,142.68 is: 363,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,089.32 : 644,585.22 = 263,142.68 : x
  2. Step 2: Convert to fraction form
    467,089.32/644,585.22 = 263,142.68/x
  3. Step 3: Cross multiply
    467,089.32x = 644,585.22 × 263,142.68
  4. Step 4: Simplify right side
    467,089.32x = 169,617,882,279.19
  5. Step 5: Solve for x
    x = 169,617,882,279.19/467,089.32
  6. Step 6: Final answer
    x = 363,138.00

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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.