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Finding the Fourth Proportional to 394,415.73, 592,174.40 and 202,424.47

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Solution

The fourth proportional to 394,415.73, 592,174.40 and 202,424.47 is: 303,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,415.73 : 592,174.40 = 202,424.47 : x
  2. Step 2: Convert to fraction form
    394,415.73/592,174.40 = 202,424.47/x
  3. Step 3: Cross multiply
    394,415.73x = 592,174.40 × 202,424.47
  4. Step 4: Simplify right side
    394,415.73x = 119,870,586,575.01
  5. Step 5: Solve for x
    x = 119,870,586,575.01/394,415.73
  6. Step 6: Final answer
    x = 303,919.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.