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Finding the Fourth Proportional to 611,896.32, 844,508.16 and 482,538.24

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Solution

The fourth proportional to 611,896.32, 844,508.16 and 482,538.24 is: 665,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,896.32 : 844,508.16 = 482,538.24 : x
  2. Step 2: Convert to fraction form
    611,896.32/844,508.16 = 482,538.24/x
  3. Step 3: Cross multiply
    611,896.32x = 844,508.16 × 482,538.24
  4. Step 4: Simplify right side
    611,896.32x = 407,507,481,192.04
  5. Step 5: Solve for x
    x = 407,507,481,192.04/611,896.32
  6. Step 6: Final answer
    x = 665,974.72

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Double scale
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Similar ratio
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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.