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Finding the Fourth Proportional to 383,552.78, 575,526.30 and 294,169.70

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Solution

The fourth proportional to 383,552.78, 575,526.30 and 294,169.70 is: 441,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,552.78 : 575,526.30 = 294,169.70 : x
  2. Step 2: Convert to fraction form
    383,552.78/575,526.30 = 294,169.70/x
  3. Step 3: Cross multiply
    383,552.78x = 575,526.30 × 294,169.70
  4. Step 4: Simplify right side
    383,552.78x = 169,302,399,013.11
  5. Step 5: Solve for x
    x = 169,302,399,013.11/383,552.78
  6. Step 6: Final answer
    x = 441,405.74

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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.