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Finding the Fourth Proportional to 383,551.78, 575,524.80 and 294,168.70

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Solution

The fourth proportional to 383,551.78, 575,524.80 and 294,168.70 is: 441,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,551.78 : 575,524.80 = 294,168.70 : x
  2. Step 2: Convert to fraction form
    383,551.78/575,524.80 = 294,168.70/x
  3. Step 3: Cross multiply
    383,551.78x = 575,524.80 × 294,168.70
  4. Step 4: Simplify right side
    383,551.78x = 169,301,382,233.76
  5. Step 5: Solve for x
    x = 169,301,382,233.76/383,551.78
  6. Step 6: Final answer
    x = 441,404.24

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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.