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Finding the Fourth Proportional to 832,493.38, 1,246,728 and 476,427.94

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Solution

The fourth proportional to 832,493.38, 1,246,728 and 476,427.94 is: 713,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,493.38 : 1,246,728 = 476,427.94 : x
  2. Step 2: Convert to fraction form
    832,493.38/1,246,728 = 476,427.94/x
  3. Step 3: Cross multiply
    832,493.38x = 1,246,728 × 476,427.94
  4. Step 4: Simplify right side
    832,493.38x = 593,976,052,780.32
  5. Step 5: Solve for x
    x = 593,976,052,780.32/832,493.38
  6. Step 6: Final answer
    x = 713,490.42

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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.