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Finding the Fourth Proportional to 802,958.32, 1,105,300.92 and 694,012.60

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Solution

The fourth proportional to 802,958.32, 1,105,300.92 and 694,012.60 is: 955,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,958.32 : 1,105,300.92 = 694,012.60 : x
  2. Step 2: Convert to fraction form
    802,958.32/1,105,300.92 = 694,012.60/x
  3. Step 3: Cross multiply
    802,958.32x = 1,105,300.92 × 694,012.60
  4. Step 4: Simplify right side
    802,958.32x = 767,092,765,271.59
  5. Step 5: Solve for x
    x = 767,092,765,271.59/802,958.32
  6. Step 6: Final answer
    x = 955,333.23

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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.