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Finding the Fourth Proportional to 383,309.78, 574,329.05 and 233,095.69

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Solution

The fourth proportional to 383,309.78, 574,329.05 and 233,095.69 is: 349,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,309.78 : 574,329.05 = 233,095.69 : x
  2. Step 2: Convert to fraction form
    383,309.78/574,329.05 = 233,095.69/x
  3. Step 3: Cross multiply
    383,309.78x = 574,329.05 × 233,095.69
  4. Step 4: Simplify right side
    383,309.78x = 133,873,623,325.15
  5. Step 5: Solve for x
    x = 133,873,623,325.15/383,309.78
  6. Step 6: Final answer
    x = 349,257.00

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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.