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Finding the Fourth Proportional to 358,928.60, 537,884.92 and 199,074.90

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Solution

The fourth proportional to 358,928.60, 537,884.92 and 199,074.90 is: 298,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,928.60 : 537,884.92 = 199,074.90 : x
  2. Step 2: Convert to fraction form
    358,928.60/537,884.92 = 199,074.90/x
  3. Step 3: Cross multiply
    358,928.60x = 537,884.92 × 199,074.90
  4. Step 4: Simplify right side
    358,928.60x = 107,079,386,660.51
  5. Step 5: Solve for x
    x = 107,079,386,660.51/358,928.60
  6. Step 6: Final answer
    x = 298,330.61

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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.