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Finding the Fourth Proportional to 671,843.84, 927,145.44 and 365,921.42

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Solution

The fourth proportional to 671,843.84, 927,145.44 and 365,921.42 is: 504,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,843.84 : 927,145.44 = 365,921.42 : x
  2. Step 2: Convert to fraction form
    671,843.84/927,145.44 = 365,921.42/x
  3. Step 3: Cross multiply
    671,843.84x = 927,145.44 × 365,921.42
  4. Step 4: Simplify right side
    671,843.84x = 339,262,371,315.60
  5. Step 5: Solve for x
    x = 339,262,371,315.60/671,843.84
  6. Step 6: Final answer
    x = 504,972.07

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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.