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Finding the Fourth Proportional to 503,361.50, 754,487.67 and 203,655.02

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Solution

The fourth proportional to 503,361.50, 754,487.67 and 203,655.02 is: 305,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,361.50 : 754,487.67 = 203,655.02 : x
  2. Step 2: Convert to fraction form
    503,361.50/754,487.67 = 203,655.02/x
  3. Step 3: Cross multiply
    503,361.50x = 754,487.67 × 203,655.02
  4. Step 4: Simplify right side
    503,361.50x = 153,655,201,523.60
  5. Step 5: Solve for x
    x = 153,655,201,523.60/503,361.50
  6. Step 6: Final answer
    x = 305,258.15

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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.