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Finding the Fourth Proportional to 347,103.77, 478,861.89 and 226,201.01

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Solution

The fourth proportional to 347,103.77, 478,861.89 and 226,201.01 is: 312,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,103.77 : 478,861.89 = 226,201.01 : x
  2. Step 2: Convert to fraction form
    347,103.77/478,861.89 = 226,201.01/x
  3. Step 3: Cross multiply
    347,103.77x = 478,861.89 × 226,201.01
  4. Step 4: Simplify right side
    347,103.77x = 108,319,043,168.51
  5. Step 5: Solve for x
    x = 108,319,043,168.51/347,103.77
  6. Step 6: Final answer
    x = 312,065.30

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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.