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Finding the Fourth Proportional to 358,881.61, 537,814.60 and 199,027.87

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Solution

The fourth proportional to 358,881.61, 537,814.60 and 199,027.87 is: 298,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,881.61 : 537,814.60 = 199,027.87 : x
  2. Step 2: Convert to fraction form
    358,881.61/537,814.60 = 199,027.87/x
  3. Step 3: Cross multiply
    358,881.61x = 537,814.60 × 199,027.87
  4. Step 4: Simplify right side
    358,881.61x = 107,040,094,292.90
  5. Step 5: Solve for x
    x = 107,040,094,292.90/358,881.61
  6. Step 6: Final answer
    x = 298,260.18

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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.