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Finding the Fourth Proportional to 298,334.88, 411,536.16 and 226,601.28

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Solution

The fourth proportional to 298,334.88, 411,536.16 and 226,601.28 is: 312,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,334.88 : 411,536.16 = 226,601.28 : x
  2. Step 2: Convert to fraction form
    298,334.88/411,536.16 = 226,601.28/x
  3. Step 3: Cross multiply
    298,334.88x = 411,536.16 × 226,601.28
  4. Step 4: Simplify right side
    298,334.88x = 93,254,620,622.28
  5. Step 5: Solve for x
    x = 93,254,620,622.28/298,334.88
  6. Step 6: Final answer
    x = 312,583.70

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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.