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Finding the Fourth Proportional to 802,168.56, 1,106,992.68 and 479,892.24

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Solution

The fourth proportional to 802,168.56, 1,106,992.68 and 479,892.24 is: 662,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,168.56 : 1,106,992.68 = 479,892.24 : x
  2. Step 2: Convert to fraction form
    802,168.56/1,106,992.68 = 479,892.24/x
  3. Step 3: Cross multiply
    802,168.56x = 1,106,992.68 × 479,892.24
  4. Step 4: Simplify right side
    802,168.56x = 531,237,196,868.80
  5. Step 5: Solve for x
    x = 531,237,196,868.80/802,168.56
  6. Step 6: Final answer
    x = 662,251.33

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Double scale
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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.