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Finding the Fourth Proportional to 997,656.30, 1,496,484.45 and 682,728.30

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Solution

The fourth proportional to 997,656.30, 1,496,484.45 and 682,728.30 is: 1,024,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,656.30 : 1,496,484.45 = 682,728.30 : x
  2. Step 2: Convert to fraction form
    997,656.30/1,496,484.45 = 682,728.30/x
  3. Step 3: Cross multiply
    997,656.30x = 1,496,484.45 × 682,728.30
  4. Step 4: Simplify right side
    997,656.30x = 1,021,692,284,524.94
  5. Step 5: Solve for x
    x = 1,021,692,284,524.94/997,656.30
  6. Step 6: Final answer
    x = 1,024,092.45

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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.