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Finding the Fourth Proportional to 559,361.80, 771,616.02 and 332,963.56

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Solution

The fourth proportional to 559,361.80, 771,616.02 and 332,963.56 is: 459,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,361.80 : 771,616.02 = 332,963.56 : x
  2. Step 2: Convert to fraction form
    559,361.80/771,616.02 = 332,963.56/x
  3. Step 3: Cross multiply
    559,361.80x = 771,616.02 × 332,963.56
  4. Step 4: Simplify right side
    559,361.80x = 256,920,016,972.23
  5. Step 5: Solve for x
    x = 256,920,016,972.23/559,361.80
  6. Step 6: Final answer
    x = 459,309.19

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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.