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Finding the Fourth Proportional to 383,866.08, 575,799.12 and 117,625.56

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Solution

The fourth proportional to 383,866.08, 575,799.12 and 117,625.56 is: 176,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,866.08 : 575,799.12 = 117,625.56 : x
  2. Step 2: Convert to fraction form
    383,866.08/575,799.12 = 117,625.56/x
  3. Step 3: Cross multiply
    383,866.08x = 575,799.12 × 117,625.56
  4. Step 4: Simplify right side
    383,866.08x = 67,728,693,937.51
  5. Step 5: Solve for x
    x = 67,728,693,937.51/383,866.08
  6. Step 6: Final answer
    x = 176,438.34

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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.