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Finding the Fourth Proportional to 365,872.87, 548,240.37 and 253,772.11

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Solution

The fourth proportional to 365,872.87, 548,240.37 and 253,772.11 is: 380,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,872.87 : 548,240.37 = 253,772.11 : x
  2. Step 2: Convert to fraction form
    365,872.87/548,240.37 = 253,772.11/x
  3. Step 3: Cross multiply
    365,872.87x = 548,240.37 × 253,772.11
  4. Step 4: Simplify right side
    365,872.87x = 139,128,117,119.03
  5. Step 5: Solve for x
    x = 139,128,117,119.03/365,872.87
  6. Step 6: Final answer
    x = 380,263.55

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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.