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Finding the Fourth Proportional to 427,910.89, 590,535.48 and 236,924.28

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Solution

The fourth proportional to 427,910.89, 590,535.48 and 236,924.28 is: 326,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,910.89 : 590,535.48 = 236,924.28 : x
  2. Step 2: Convert to fraction form
    427,910.89/590,535.48 = 236,924.28/x
  3. Step 3: Cross multiply
    427,910.89x = 590,535.48 × 236,924.28
  4. Step 4: Simplify right side
    427,910.89x = 139,912,193,413.45
  5. Step 5: Solve for x
    x = 139,912,193,413.45/427,910.89
  6. Step 6: Final answer
    x = 326,965.72

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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.