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Finding the Fourth Proportional to 346,604.40, 519,906.60 and 109,965.60

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Solution

The fourth proportional to 346,604.40, 519,906.60 and 109,965.60 is: 164,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,604.40 : 519,906.60 = 109,965.60 : x
  2. Step 2: Convert to fraction form
    346,604.40/519,906.60 = 109,965.60/x
  3. Step 3: Cross multiply
    346,604.40x = 519,906.60 × 109,965.60
  4. Step 4: Simplify right side
    346,604.40x = 57,171,841,212.96
  5. Step 5: Solve for x
    x = 57,171,841,212.96/346,604.40
  6. Step 6: Final answer
    x = 164,948.40

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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.