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Finding the Fourth Proportional to 986,676.96, 1,361,614.24 and 533,968

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Solution

The fourth proportional to 986,676.96, 1,361,614.24 and 533,968 is: 736,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,676.96 : 1,361,614.24 = 533,968 : x
  2. Step 2: Convert to fraction form
    986,676.96/1,361,614.24 = 533,968/x
  3. Step 3: Cross multiply
    986,676.96x = 1,361,614.24 × 533,968
  4. Step 4: Simplify right side
    986,676.96x = 727,058,432,504.32
  5. Step 5: Solve for x
    x = 727,058,432,504.32/986,676.96
  6. Step 6: Final answer
    x = 736,875.86

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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.