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Finding the Fourth Proportional to 384,187.30, 576,275.55 and 173,824.90

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Solution

The fourth proportional to 384,187.30, 576,275.55 and 173,824.90 is: 260,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,187.30 : 576,275.55 = 173,824.90 : x
  2. Step 2: Convert to fraction form
    384,187.30/576,275.55 = 173,824.90/x
  3. Step 3: Cross multiply
    384,187.30x = 576,275.55 × 173,824.90
  4. Step 4: Simplify right side
    384,187.30x = 100,171,039,851.20
  5. Step 5: Solve for x
    x = 100,171,039,851.20/384,187.30
  6. Step 6: Final answer
    x = 260,734.91

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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.