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Finding the Fourth Proportional to 353,558.67, 487,901.61 and 192,410.27

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Solution

The fourth proportional to 353,558.67, 487,901.61 and 192,410.27 is: 265,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,558.67 : 487,901.61 = 192,410.27 : x
  2. Step 2: Convert to fraction form
    353,558.67/487,901.61 = 192,410.27/x
  3. Step 3: Cross multiply
    353,558.67x = 487,901.61 × 192,410.27
  4. Step 4: Simplify right side
    353,558.67x = 93,877,279,903.66
  5. Step 5: Solve for x
    x = 93,877,279,903.66/353,558.67
  6. Step 6: Final answer
    x = 265,521.08

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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.