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Finding the Fourth Proportional to 273,643.60, 409,590.60 and 194,911.60

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Solution

The fourth proportional to 273,643.60, 409,590.60 and 194,911.60 is: 291,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,643.60 : 409,590.60 = 194,911.60 : x
  2. Step 2: Convert to fraction form
    273,643.60/409,590.60 = 194,911.60/x
  3. Step 3: Cross multiply
    273,643.60x = 409,590.60 × 194,911.60
  4. Step 4: Simplify right side
    273,643.60x = 79,833,959,190.96
  5. Step 5: Solve for x
    x = 79,833,959,190.96/273,643.60
  6. Step 6: Final answer
    x = 291,744.30

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1.5x scale

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.