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Finding the Fourth Proportional to 502,559.91, 753,980.54 and 203,250.60

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Solution

The fourth proportional to 502,559.91, 753,980.54 and 203,250.60 is: 304,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,559.91 : 753,980.54 = 203,250.60 : x
  2. Step 2: Convert to fraction form
    502,559.91/753,980.54 = 203,250.60/x
  3. Step 3: Cross multiply
    502,559.91x = 753,980.54 × 203,250.60
  4. Step 4: Simplify right side
    502,559.91x = 153,246,996,127.07
  5. Step 5: Solve for x
    x = 153,246,996,127.07/502,559.91
  6. Step 6: Final answer
    x = 304,932.79

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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.