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Finding the Fourth Proportional to 502,680.23, 754,557.47 and 203,356.47

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Solution

The fourth proportional to 502,680.23, 754,557.47 and 203,356.47 is: 305,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,680.23 : 754,557.47 = 203,356.47 : x
  2. Step 2: Convert to fraction form
    502,680.23/754,557.47 = 203,356.47/x
  3. Step 3: Cross multiply
    502,680.23x = 754,557.47 × 203,356.47
  4. Step 4: Simplify right side
    502,680.23x = 153,444,142,494.55
  5. Step 5: Solve for x
    x = 153,444,142,494.55/502,680.23
  6. Step 6: Final answer
    x = 305,252.00

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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.