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Finding the Fourth Proportional to 383,566.39, 575,414.28 and 117,264.51

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Solution

The fourth proportional to 383,566.39, 575,414.28 and 117,264.51 is: 175,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,566.39 : 575,414.28 = 117,264.51 : x
  2. Step 2: Convert to fraction form
    383,566.39/575,414.28 = 117,264.51/x
  3. Step 3: Cross multiply
    383,566.39x = 575,414.28 × 117,264.51
  4. Step 4: Simplify right side
    383,566.39x = 67,475,673,591.20
  5. Step 5: Solve for x
    x = 67,475,673,591.20/383,566.39
  6. Step 6: Final answer
    x = 175,916.54

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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.