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Finding the Fourth Proportional to 607,628.30, 838,543.98 and 335,713.73

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Solution

The fourth proportional to 607,628.30, 838,543.98 and 335,713.73 is: 463,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,628.30 : 838,543.98 = 335,713.73 : x
  2. Step 2: Convert to fraction form
    607,628.30/838,543.98 = 335,713.73/x
  3. Step 3: Cross multiply
    607,628.30x = 838,543.98 × 335,713.73
  4. Step 4: Simplify right side
    607,628.30x = 281,510,722,472.66
  5. Step 5: Solve for x
    x = 281,510,722,472.66/607,628.30
  6. Step 6: Final answer
    x = 463,294.29

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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.