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Finding the Fourth Proportional to 338,282.93, 506,884.64 and 247,906.82

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Solution

The fourth proportional to 338,282.93, 506,884.64 and 247,906.82 is: 371,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,282.93 : 506,884.64 = 247,906.82 : x
  2. Step 2: Convert to fraction form
    338,282.93/506,884.64 = 247,906.82/x
  3. Step 3: Cross multiply
    338,282.93x = 506,884.64 × 247,906.82
  4. Step 4: Simplify right side
    338,282.93x = 125,660,155,435.29
  5. Step 5: Solve for x
    x = 125,660,155,435.29/338,282.93
  6. Step 6: Final answer
    x = 371,464.67

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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.