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Finding the Fourth Proportional to 694,652.04, 1,041,978.78 and 221,337

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Solution

The fourth proportional to 694,652.04, 1,041,978.78 and 221,337 is: 332,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,652.04 : 1,041,978.78 = 221,337 : x
  2. Step 2: Convert to fraction form
    694,652.04/1,041,978.78 = 221,337/x
  3. Step 3: Cross multiply
    694,652.04x = 1,041,978.78 × 221,337
  4. Step 4: Simplify right side
    694,652.04x = 230,628,457,228.86
  5. Step 5: Solve for x
    x = 230,628,457,228.86/694,652.04
  6. Step 6: Final answer
    x = 332,005.73

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