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Finding the Fourth Proportional to 3,722,402.61, 5,583,992.13 and 1,026,728.28

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Solution

The fourth proportional to 3,722,402.61, 5,583,992.13 and 1,026,728.28 is: 1,540,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,402.61 : 5,583,992.13 = 1,026,728.28 : x
  2. Step 2: Convert to fraction form
    3,722,402.61/5,583,992.13 = 1,026,728.28/x
  3. Step 3: Cross multiply
    3,722,402.61x = 5,583,992.13 × 1,026,728.28
  4. Step 4: Simplify right side
    3,722,402.61x = 5,733,242,635,168.44
  5. Step 5: Solve for x
    x = 5,733,242,635,168.44/3,722,402.61
  6. Step 6: Final answer
    x = 1,540,199.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.