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Finding the Fourth Proportional to 377,297.72, 565,282.23 and 354,822.18

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Solution

The fourth proportional to 377,297.72, 565,282.23 and 354,822.18 is: 531,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,297.72 : 565,282.23 = 354,822.18 : x
  2. Step 2: Convert to fraction form
    377,297.72/565,282.23 = 354,822.18/x
  3. Step 3: Cross multiply
    377,297.72x = 565,282.23 × 354,822.18
  4. Step 4: Simplify right side
    377,297.72x = 200,574,673,163.86
  5. Step 5: Solve for x
    x = 200,574,673,163.86/377,297.72
  6. Step 6: Final answer
    x = 531,608.50

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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.