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Finding the Fourth Proportional to 326,039.78, 488,426.49 and 183,450.35

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Solution

The fourth proportional to 326,039.78, 488,426.49 and 183,450.35 is: 274,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,039.78 : 488,426.49 = 183,450.35 : x
  2. Step 2: Convert to fraction form
    326,039.78/488,426.49 = 183,450.35/x
  3. Step 3: Cross multiply
    326,039.78x = 488,426.49 × 183,450.35
  4. Step 4: Simplify right side
    326,039.78x = 89,602,011,760.84
  5. Step 5: Solve for x
    x = 89,602,011,760.84/326,039.78
  6. Step 6: Final answer
    x = 274,819.26

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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.