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Finding the Fourth Proportional to 211,320,486.90, 295,244,019.90 and 211,320,486.90

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Solution

The fourth proportional to 211,320,486.90, 295,244,019.90 and 211,320,486.90 is: 295,244,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320,486.90 : 295,244,019.90 = 211,320,486.90 : x
  2. Step 2: Convert to fraction form
    211,320,486.90/295,244,019.90 = 211,320,486.90/x
  3. Step 3: Cross multiply
    211,320,486.90x = 295,244,019.90 × 211,320,486.90
  4. Step 4: Simplify right side
    211,320,486.90x = 62,391,110,039,581,288
  5. Step 5: Solve for x
    x = 62,391,110,039,581,288/211,320,486.90
  6. Step 6: Final answer
    x = 295,244,019.90

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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.