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Finding the Fourth Proportional to 567,463,806.91, 783,099,699.82 and 306,703,422.91

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Solution

The fourth proportional to 567,463,806.91, 783,099,699.82 and 306,703,422.91 is: 423,250,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,463,806.91 : 783,099,699.82 = 306,703,422.91 : x
  2. Step 2: Convert to fraction form
    567,463,806.91/783,099,699.82 = 306,703,422.91/x
  3. Step 3: Cross multiply
    567,463,806.91x = 783,099,699.82 × 306,703,422.91
  4. Step 4: Simplify right side
    567,463,806.91x = 240,179,358,414,587,552
  5. Step 5: Solve for x
    x = 240,179,358,414,587,552/567,463,806.91
  6. Step 6: Final answer
    x = 423,250,532.44

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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.