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Finding the Fourth Proportional to 376,812.04, 520,025.46 and 207,047.56

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Solution

The fourth proportional to 376,812.04, 520,025.46 and 207,047.56 is: 285,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,812.04 : 520,025.46 = 207,047.56 : x
  2. Step 2: Convert to fraction form
    376,812.04/520,025.46 = 207,047.56/x
  3. Step 3: Cross multiply
    376,812.04x = 520,025.46 × 207,047.56
  4. Step 4: Simplify right side
    376,812.04x = 107,670,002,630.88
  5. Step 5: Solve for x
    x = 107,670,002,630.88/376,812.04
  6. Step 6: Final answer
    x = 285,739.28

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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.