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Finding the Fourth Proportional to 533,361.69, 736,039.06 and 291,644.42

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Solution

The fourth proportional to 533,361.69, 736,039.06 and 291,644.42 is: 402,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,361.69 : 736,039.06 = 291,644.42 : x
  2. Step 2: Convert to fraction form
    533,361.69/736,039.06 = 291,644.42/x
  3. Step 3: Cross multiply
    533,361.69x = 736,039.06 × 291,644.42
  4. Step 4: Simplify right side
    533,361.69x = 214,661,684,751.05
  5. Step 5: Solve for x
    x = 214,661,684,751.05/533,361.69
  6. Step 6: Final answer
    x = 402,469.26

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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.