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Finding the Fourth Proportional to 567,424.48, 783,100.96 and 423,935.44

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Solution

The fourth proportional to 567,424.48, 783,100.96 and 423,935.44 is: 585,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,424.48 : 783,100.96 = 423,935.44 : x
  2. Step 2: Convert to fraction form
    567,424.48/783,100.96 = 423,935.44/x
  3. Step 3: Cross multiply
    567,424.48x = 783,100.96 × 423,935.44
  4. Step 4: Simplify right side
    567,424.48x = 331,984,250,042.02
  5. Step 5: Solve for x
    x = 331,984,250,042.02/567,424.48
  6. Step 6: Final answer
    x = 585,072.13

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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.