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Finding the Fourth Proportional to 314,812.20, 472,218.30 and 226,894.80

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Solution

The fourth proportional to 314,812.20, 472,218.30 and 226,894.80 is: 340,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,812.20 : 472,218.30 = 226,894.80 : x
  2. Step 2: Convert to fraction form
    314,812.20/472,218.30 = 226,894.80/x
  3. Step 3: Cross multiply
    314,812.20x = 472,218.30 × 226,894.80
  4. Step 4: Simplify right side
    314,812.20x = 107,143,876,734.84
  5. Step 5: Solve for x
    x = 107,143,876,734.84/314,812.20
  6. Step 6: Final answer
    x = 340,342.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.