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Finding the Fourth Proportional to 427,626.54, 590,110.11 and 236,647.98

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Solution

The fourth proportional to 427,626.54, 590,110.11 and 236,647.98 is: 326,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,626.54 : 590,110.11 = 236,647.98 : x
  2. Step 2: Convert to fraction form
    427,626.54/590,110.11 = 236,647.98/x
  3. Step 3: Cross multiply
    427,626.54x = 590,110.11 × 236,647.98
  4. Step 4: Simplify right side
    427,626.54x = 139,648,365,509.08
  5. Step 5: Solve for x
    x = 139,648,365,509.08/427,626.54
  6. Step 6: Final answer
    x = 326,566.18

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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.