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Finding the Fourth Proportional to 503,091.59, 694,203.22 and 340,102.64

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Solution

The fourth proportional to 503,091.59, 694,203.22 and 340,102.64 is: 469,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,091.59 : 694,203.22 = 340,102.64 : x
  2. Step 2: Convert to fraction form
    503,091.59/694,203.22 = 340,102.64/x
  3. Step 3: Cross multiply
    503,091.59x = 694,203.22 × 340,102.64
  4. Step 4: Simplify right side
    503,091.59x = 236,100,348,066.06
  5. Step 5: Solve for x
    x = 236,100,348,066.06/503,091.59
  6. Step 6: Final answer
    x = 469,298.94

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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.