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Finding the Fourth Proportional to 463,670,480.70, 695,505,721.05 and 248,679,632.70

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Solution

The fourth proportional to 463,670,480.70, 695,505,721.05 and 248,679,632.70 is: 373,019,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,670,480.70 : 695,505,721.05 = 248,679,632.70 : x
  2. Step 2: Convert to fraction form
    463,670,480.70/695,505,721.05 = 248,679,632.70/x
  3. Step 3: Cross multiply
    463,670,480.70x = 695,505,721.05 × 248,679,632.70
  4. Step 4: Simplify right side
    463,670,480.70x = 172,958,107,251,462,624
  5. Step 5: Solve for x
    x = 172,958,107,251,462,624/463,670,480.70
  6. Step 6: Final answer
    x = 373,019,449.05

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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.