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Finding the Fourth Proportional to 358,867.79, 537,793.89 and 199,014.04

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Solution

The fourth proportional to 358,867.79, 537,793.89 and 199,014.04 is: 298,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,867.79 : 537,793.89 = 199,014.04 : x
  2. Step 2: Convert to fraction form
    358,867.79/537,793.89 = 199,014.04/x
  3. Step 3: Cross multiply
    358,867.79x = 537,793.89 × 199,014.04
  4. Step 4: Simplify right side
    358,867.79x = 107,028,534,736.22
  5. Step 5: Solve for x
    x = 107,028,534,736.22/358,867.79
  6. Step 6: Final answer
    x = 298,239.46

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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.