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Finding the Fourth Proportional to 503,022.77, 754,534.65 and 203,505.90

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Solution

The fourth proportional to 503,022.77, 754,534.65 and 203,505.90 is: 305,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,022.77 : 754,534.65 = 203,505.90 : x
  2. Step 2: Convert to fraction form
    503,022.77/754,534.65 = 203,505.90/x
  3. Step 3: Cross multiply
    503,022.77x = 754,534.65 × 203,505.90
  4. Step 4: Simplify right side
    503,022.77x = 153,552,253,029.44
  5. Step 5: Solve for x
    x = 153,552,253,029.44/503,022.77
  6. Step 6: Final answer
    x = 305,259.05

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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.