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Finding the Fourth Proportional to 567,894,619.44, 783,694,573.56 and 307,134,235.44

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Solution

The fourth proportional to 567,894,619.44, 783,694,573.56 and 307,134,235.44 is: 423,845,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,894,619.44 : 783,694,573.56 = 307,134,235.44 : x
  2. Step 2: Convert to fraction form
    567,894,619.44/783,694,573.56 = 307,134,235.44/x
  3. Step 3: Cross multiply
    567,894,619.44x = 783,694,573.56 × 307,134,235.44
  4. Step 4: Simplify right side
    567,894,619.44x = 240,699,433,668,827,424
  5. Step 5: Solve for x
    x = 240,699,433,668,827,424/567,894,619.44
  6. Step 6: Final answer
    x = 423,845,244.22

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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.