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Finding the Fourth Proportional to 407,456.52, 561,898.53 and 244,087.23

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Solution

The fourth proportional to 407,456.52, 561,898.53 and 244,087.23 is: 336,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,456.52 : 561,898.53 = 244,087.23 : x
  2. Step 2: Convert to fraction form
    407,456.52/561,898.53 = 244,087.23/x
  3. Step 3: Cross multiply
    407,456.52x = 561,898.53 × 244,087.23
  4. Step 4: Simplify right side
    407,456.52x = 137,152,255,728.77
  5. Step 5: Solve for x
    x = 137,152,255,728.77/407,456.52
  6. Step 6: Final answer
    x = 336,605.87

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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.