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Finding the Fourth Proportional to 3,397,292.07, 5,095,938.10 and 1,238,479.08

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Solution

The fourth proportional to 3,397,292.07, 5,095,938.10 and 1,238,479.08 is: 1,857,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,292.07 : 5,095,938.10 = 1,238,479.08 : x
  2. Step 2: Convert to fraction form
    3,397,292.07/5,095,938.10 = 1,238,479.08/x
  3. Step 3: Cross multiply
    3,397,292.07x = 5,095,938.10 × 1,238,479.08
  4. Step 4: Simplify right side
    3,397,292.07x = 6,311,212,729,824.95
  5. Step 5: Solve for x
    x = 6,311,212,729,824.95/3,397,292.07
  6. Step 6: Final answer
    x = 1,857,718.62

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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.