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Finding the Fourth Proportional to 261,971,392.20, 367,297,426.20 and 261,971,392.20

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Solution

The fourth proportional to 261,971,392.20, 367,297,426.20 and 261,971,392.20 is: 367,297,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,971,392.20 : 367,297,426.20 = 261,971,392.20 : x
  2. Step 2: Convert to fraction form
    261,971,392.20/367,297,426.20 = 261,971,392.20/x
  3. Step 3: Cross multiply
    261,971,392.20x = 367,297,426.20 × 261,971,392.20
  4. Step 4: Simplify right side
    261,971,392.20x = 96,221,418,093,090,752
  5. Step 5: Solve for x
    x = 96,221,418,093,090,752/261,971,392.20
  6. Step 6: Final answer
    x = 367,297,426.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.