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Finding the Fourth Proportional to 376,130.17, 519,060.32 and 206,365.51

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Solution

The fourth proportional to 376,130.17, 519,060.32 and 206,365.51 is: 284,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,130.17 : 519,060.32 = 206,365.51 : x
  2. Step 2: Convert to fraction form
    376,130.17/519,060.32 = 206,365.51/x
  3. Step 3: Cross multiply
    376,130.17x = 519,060.32 × 206,365.51
  4. Step 4: Simplify right side
    376,130.17x = 107,116,147,657.56
  5. Step 5: Solve for x
    x = 107,116,147,657.56/376,130.17
  6. Step 6: Final answer
    x = 284,784.78

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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.