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Finding the Fourth Proportional to 338,786.76, 508,076.10 and 234,277.32

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Solution

The fourth proportional to 338,786.76, 508,076.10 and 234,277.32 is: 351,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,786.76 : 508,076.10 = 234,277.32 : x
  2. Step 2: Convert to fraction form
    338,786.76/508,076.10 = 234,277.32/x
  3. Step 3: Cross multiply
    338,786.76x = 508,076.10 × 234,277.32
  4. Step 4: Simplify right side
    338,786.76x = 119,030,707,064.05
  5. Step 5: Solve for x
    x = 119,030,707,064.05/338,786.76
  6. Step 6: Final answer
    x = 351,344.03

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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.