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Finding the Fourth Proportional to 502,664.31, 754,533.66 and 203,340.56

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Solution

The fourth proportional to 502,664.31, 754,533.66 and 203,340.56 is: 305,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,664.31 : 754,533.66 = 203,340.56 : x
  2. Step 2: Convert to fraction form
    502,664.31/754,533.66 = 203,340.56/x
  3. Step 3: Cross multiply
    502,664.31x = 754,533.66 × 203,340.56
  4. Step 4: Simplify right side
    502,664.31x = 153,427,293,190.58
  5. Step 5: Solve for x
    x = 153,427,293,190.58/502,664.31
  6. Step 6: Final answer
    x = 305,228.14

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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.