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Finding the Fourth Proportional to 802,961.32, 1,105,305.04 and 694,015.60

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Solution

The fourth proportional to 802,961.32, 1,105,305.04 and 694,015.60 is: 955,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,961.32 : 1,105,305.04 = 694,015.60 : x
  2. Step 2: Convert to fraction form
    802,961.32/1,105,305.04 = 694,015.60/x
  3. Step 3: Cross multiply
    802,961.32x = 1,105,305.04 × 694,015.60
  4. Step 4: Simplify right side
    802,961.32x = 767,098,940,518.62
  5. Step 5: Solve for x
    x = 767,098,940,518.62/802,961.32
  6. Step 6: Final answer
    x = 955,337.35

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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.