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Finding the Fourth Proportional to 376,598.38, 519,579.34 and 213,232.60

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Solution

The fourth proportional to 376,598.38, 519,579.34 and 213,232.60 is: 294,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,598.38 : 519,579.34 = 213,232.60 : x
  2. Step 2: Convert to fraction form
    376,598.38/519,579.34 = 213,232.60/x
  3. Step 3: Cross multiply
    376,598.38x = 519,579.34 × 213,232.60
  4. Step 4: Simplify right side
    376,598.38x = 110,791,253,574.48
  5. Step 5: Solve for x
    x = 110,791,253,574.48/376,598.38
  6. Step 6: Final answer
    x = 294,189.41

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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.