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Finding the Fourth Proportional to 671,844.34, 927,146.13 and 365,921.92

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Solution

The fourth proportional to 671,844.34, 927,146.13 and 365,921.92 is: 504,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,844.34 : 927,146.13 = 365,921.92 : x
  2. Step 2: Convert to fraction form
    671,844.34/927,146.13 = 365,921.92/x
  3. Step 3: Cross multiply
    671,844.34x = 927,146.13 × 365,921.92
  4. Step 4: Simplify right side
    671,844.34x = 339,263,087,374.44
  5. Step 5: Solve for x
    x = 339,263,087,374.44/671,844.34
  6. Step 6: Final answer
    x = 504,972.76

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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.