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Finding the Fourth Proportional to 682,857.14, 941,809.98 and 437,865.14

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Solution

The fourth proportional to 682,857.14, 941,809.98 and 437,865.14 is: 603,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,857.14 : 941,809.98 = 437,865.14 : x
  2. Step 2: Convert to fraction form
    682,857.14/941,809.98 = 437,865.14/x
  3. Step 3: Cross multiply
    682,857.14x = 941,809.98 × 437,865.14
  4. Step 4: Simplify right side
    682,857.14x = 412,385,762,742.62
  5. Step 5: Solve for x
    x = 412,385,762,742.62/682,857.14
  6. Step 6: Final answer
    x = 603,912.21

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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.