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Finding the Fourth Proportional to 427,605.50, 590,099.76 and 236,618.44

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Solution

The fourth proportional to 427,605.50, 590,099.76 and 236,618.44 is: 326,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,605.50 : 590,099.76 = 236,618.44 : x
  2. Step 2: Convert to fraction form
    427,605.50/590,099.76 = 236,618.44/x
  3. Step 3: Cross multiply
    427,605.50x = 590,099.76 × 236,618.44
  4. Step 4: Simplify right side
    427,605.50x = 139,628,483,180.33
  5. Step 5: Solve for x
    x = 139,628,483,180.33/427,605.50
  6. Step 6: Final answer
    x = 326,535.75

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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.