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Finding the Fourth Proportional to 376,816.26, 520,006.32 and 207,061.32

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Solution

The fourth proportional to 376,816.26, 520,006.32 and 207,061.32 is: 285,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,816.26 : 520,006.32 = 207,061.32 : x
  2. Step 2: Convert to fraction form
    376,816.26/520,006.32 = 207,061.32/x
  3. Step 3: Cross multiply
    376,816.26x = 520,006.32 × 207,061.32
  4. Step 4: Simplify right side
    376,816.26x = 107,673,195,027.54
  5. Step 5: Solve for x
    x = 107,673,195,027.54/376,816.26
  6. Step 6: Final answer
    x = 285,744.56

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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.