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Finding the Fourth Proportional to 291,694.60, 409,616.60 and 291,694.60

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Solution

The fourth proportional to 291,694.60, 409,616.60 and 291,694.60 is: 409,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,694.60 : 409,616.60 = 291,694.60 : x
  2. Step 2: Convert to fraction form
    291,694.60/409,616.60 = 291,694.60/x
  3. Step 3: Cross multiply
    291,694.60x = 409,616.60 × 291,694.60
  4. Step 4: Simplify right side
    291,694.60x = 119,482,950,290.36
  5. Step 5: Solve for x
    x = 119,482,950,290.36/291,694.60
  6. Step 6: Final answer
    x = 409,616.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.