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Finding the Fourth Proportional to 440,263, 607,562.94 and 239,059

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Solution

The fourth proportional to 440,263, 607,562.94 and 239,059 is: 329,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,263 : 607,562.94 = 239,059 : x
  2. Step 2: Convert to fraction form
    440,263/607,562.94 = 239,059/x
  3. Step 3: Cross multiply
    440,263x = 607,562.94 × 239,059
  4. Step 4: Simplify right side
    440,263x = 145,243,388,873.46
  5. Step 5: Solve for x
    x = 145,243,388,873.46/440,263
  6. Step 6: Final answer
    x = 329,901.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.