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Finding the Fourth Proportional to 567,463,805.42, 783,099,697.74 and 306,703,421.42

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Solution

The fourth proportional to 567,463,805.42, 783,099,697.74 and 306,703,421.42 is: 423,250,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,463,805.42 : 783,099,697.74 = 306,703,421.42 : x
  2. Step 2: Convert to fraction form
    567,463,805.42/783,099,697.74 = 306,703,421.42/x
  3. Step 3: Cross multiply
    567,463,805.42x = 783,099,697.74 × 306,703,421.42
  4. Step 4: Simplify right side
    567,463,805.42x = 240,179,356,609,825,856
  5. Step 5: Solve for x
    x = 240,179,356,609,825,856/567,463,805.42
  6. Step 6: Final answer
    x = 423,250,530.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.