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Finding the Fourth Proportional to 409,801.37, 565,581.35 and 240,103.13

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Solution

The fourth proportional to 409,801.37, 565,581.35 and 240,103.13 is: 331,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,801.37 : 565,581.35 = 240,103.13 : x
  2. Step 2: Convert to fraction form
    409,801.37/565,581.35 = 240,103.13/x
  3. Step 3: Cross multiply
    409,801.37x = 565,581.35 × 240,103.13
  4. Step 4: Simplify right side
    409,801.37x = 135,797,850,176.98
  5. Step 5: Solve for x
    x = 135,797,850,176.98/409,801.37
  6. Step 6: Final answer
    x = 331,374.81

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1.5x scale

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.