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Finding the Fourth Proportional to 409,999.35, 565,571.66 and 240,200.67

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Solution

The fourth proportional to 409,999.35, 565,571.66 and 240,200.67 is: 331,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,999.35 : 565,571.66 = 240,200.67 : x
  2. Step 2: Convert to fraction form
    409,999.35/565,571.66 = 240,200.67/x
  3. Step 3: Cross multiply
    409,999.35x = 565,571.66 × 240,200.67
  4. Step 4: Simplify right side
    409,999.35x = 135,850,690,464.01
  5. Step 5: Solve for x
    x = 135,850,690,464.01/409,999.35
  6. Step 6: Final answer
    x = 331,343.67

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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.