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Finding the Fourth Proportional to 602,370.66, 903,992.99 and 485,453.64

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Solution

The fourth proportional to 602,370.66, 903,992.99 and 485,453.64 is: 728,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,370.66 : 903,992.99 = 485,453.64 : x
  2. Step 2: Convert to fraction form
    602,370.66/903,992.99 = 485,453.64/x
  3. Step 3: Cross multiply
    602,370.66x = 903,992.99 × 485,453.64
  4. Step 4: Simplify right side
    602,370.66x = 438,846,687,529.98
  5. Step 5: Solve for x
    x = 438,846,687,529.98/602,370.66
  6. Step 6: Final answer
    x = 728,532.64

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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.