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Finding the Fourth Proportional to 503,362.50, 754,489.17 and 203,656.02

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Solution

The fourth proportional to 503,362.50, 754,489.17 and 203,656.02 is: 305,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,362.50 : 754,489.17 = 203,656.02 : x
  2. Step 2: Convert to fraction form
    503,362.50/754,489.17 = 203,656.02/x
  3. Step 3: Cross multiply
    503,362.50x = 754,489.17 × 203,656.02
  4. Step 4: Simplify right side
    503,362.50x = 153,656,261,495.30
  5. Step 5: Solve for x
    x = 153,656,261,495.30/503,362.50
  6. Step 6: Final answer
    x = 305,259.65

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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.