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Finding the Fourth Proportional to 291,292.40, 436,760.40 and 113,594.60

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Solution

The fourth proportional to 291,292.40, 436,760.40 and 113,594.60 is: 170,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,292.40 : 436,760.40 = 113,594.60 : x
  2. Step 2: Convert to fraction form
    291,292.40/436,760.40 = 113,594.60/x
  3. Step 3: Cross multiply
    291,292.40x = 436,760.40 × 113,594.60
  4. Step 4: Simplify right side
    291,292.40x = 49,613,622,933.84
  5. Step 5: Solve for x
    x = 49,613,622,933.84/291,292.40
  6. Step 6: Final answer
    x = 170,322.41

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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.