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Finding the Fourth Proportional to 503,476.68, 755,217 and 203,962.92

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Solution

The fourth proportional to 503,476.68, 755,217 and 203,962.92 is: 305,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,476.68 : 755,217 = 203,962.92 : x
  2. Step 2: Convert to fraction form
    503,476.68/755,217 = 203,962.92/x
  3. Step 3: Cross multiply
    503,476.68x = 755,217 × 203,962.92
  4. Step 4: Simplify right side
    503,476.68x = 154,036,264,553.64
  5. Step 5: Solve for x
    x = 154,036,264,553.64/503,476.68
  6. Step 6: Final answer
    x = 305,945.18

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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.