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Finding the Fourth Proportional to 533,321.52, 736,051.40 and 303,961.26

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Solution

The fourth proportional to 533,321.52, 736,051.40 and 303,961.26 is: 419,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,321.52 : 736,051.40 = 303,961.26 : x
  2. Step 2: Convert to fraction form
    533,321.52/736,051.40 = 303,961.26/x
  3. Step 3: Cross multiply
    533,321.52x = 736,051.40 × 303,961.26
  4. Step 4: Simplify right side
    533,321.52x = 223,731,110,918.50
  5. Step 5: Solve for x
    x = 223,731,110,918.50/533,321.52
  6. Step 6: Final answer
    x = 419,505.13

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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.