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Finding the Fourth Proportional to 427,968.61, 590,596.63 and 236,982

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Solution

The fourth proportional to 427,968.61, 590,596.63 and 236,982 is: 327,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,968.61 : 590,596.63 = 236,982 : x
  2. Step 2: Convert to fraction form
    427,968.61/590,596.63 = 236,982/x
  3. Step 3: Cross multiply
    427,968.61x = 590,596.63 × 236,982
  4. Step 4: Simplify right side
    427,968.61x = 139,960,770,570.66
  5. Step 5: Solve for x
    x = 139,960,770,570.66/427,968.61
  6. Step 6: Final answer
    x = 327,035.13

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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.