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Finding the Fourth Proportional to 358,568.78, 537,853.53 and 92,329.88

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Solution

The fourth proportional to 358,568.78, 537,853.53 and 92,329.88 is: 138,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568.78 : 537,853.53 = 92,329.88 : x
  2. Step 2: Convert to fraction form
    358,568.78/537,853.53 = 92,329.88/x
  3. Step 3: Cross multiply
    358,568.78x = 537,853.53 × 92,329.88
  4. Step 4: Simplify right side
    358,568.78x = 49,659,949,193.21
  5. Step 5: Solve for x
    x = 49,659,949,193.21/358,568.78
  6. Step 6: Final answer
    x = 138,494.91

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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.