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Finding the Fourth Proportional to 330,833.99, 456,550.89 and 187,594

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Solution

The fourth proportional to 330,833.99, 456,550.89 and 187,594 is: 258,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,833.99 : 456,550.89 = 187,594 : x
  2. Step 2: Convert to fraction form
    330,833.99/456,550.89 = 187,594/x
  3. Step 3: Cross multiply
    330,833.99x = 456,550.89 × 187,594
  4. Step 4: Simplify right side
    330,833.99x = 85,646,207,658.66
  5. Step 5: Solve for x
    x = 85,646,207,658.66/330,833.99
  6. Step 6: Final answer
    x = 258,879.71

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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.