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Finding the Fourth Proportional to 467,087.34, 644,582.50 and 263,140.71

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Solution

The fourth proportional to 467,087.34, 644,582.50 and 263,140.71 is: 363,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,087.34 : 644,582.50 = 263,140.71 : x
  2. Step 2: Convert to fraction form
    467,087.34/644,582.50 = 263,140.71/x
  3. Step 3: Cross multiply
    467,087.34x = 644,582.50 × 263,140.71
  4. Step 4: Simplify right side
    467,087.34x = 169,615,896,703.58
  5. Step 5: Solve for x
    x = 169,615,896,703.58/467,087.34
  6. Step 6: Final answer
    x = 363,135.29

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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.