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Finding the Fourth Proportional to 261,971,390.70, 367,297,424.10 and 261,971,390.70

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Solution

The fourth proportional to 261,971,390.70, 367,297,424.10 and 261,971,390.70 is: 367,297,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,971,390.70 : 367,297,424.10 = 261,971,390.70 : x
  2. Step 2: Convert to fraction form
    261,971,390.70/367,297,424.10 = 261,971,390.70/x
  3. Step 3: Cross multiply
    261,971,390.70x = 367,297,424.10 × 261,971,390.70
  4. Step 4: Simplify right side
    261,971,390.70x = 96,221,416,992,004,704
  5. Step 5: Solve for x
    x = 96,221,416,992,004,704/261,971,390.70
  6. Step 6: Final answer
    x = 367,297,424.10

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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.