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Finding the Fourth Proportional to 438,466.26, 605,083.32 and 237,262.26

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Solution

The fourth proportional to 438,466.26, 605,083.32 and 237,262.26 is: 327,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,466.26 : 605,083.32 = 237,262.26 : x
  2. Step 2: Convert to fraction form
    438,466.26/605,083.32 = 237,262.26/x
  3. Step 3: Cross multiply
    438,466.26x = 605,083.32 × 237,262.26
  4. Step 4: Simplify right side
    438,466.26x = 143,563,435,991.50
  5. Step 5: Solve for x
    x = 143,563,435,991.50/438,466.26
  6. Step 6: Final answer
    x = 327,421.85

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1.5x scale

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.