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Finding the Fourth Proportional to 352,956.08, 487,074.84 and 191,807.12

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Solution

The fourth proportional to 352,956.08, 487,074.84 and 191,807.12 is: 264,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,956.08 : 487,074.84 = 191,807.12 : x
  2. Step 2: Convert to fraction form
    352,956.08/487,074.84 = 191,807.12/x
  3. Step 3: Cross multiply
    352,956.08x = 487,074.84 × 191,807.12
  4. Step 4: Simplify right side
    352,956.08x = 93,424,422,284.86
  5. Step 5: Solve for x
    x = 93,424,422,284.86/352,956.08
  6. Step 6: Final answer
    x = 264,691.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.