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Finding the Fourth Proportional to 333,046.91, 459,609.58 and 187,859.61

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Solution

The fourth proportional to 333,046.91, 459,609.58 and 187,859.61 is: 259,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,046.91 : 459,609.58 = 187,859.61 : x
  2. Step 2: Convert to fraction form
    333,046.91/459,609.58 = 187,859.61/x
  3. Step 3: Cross multiply
    333,046.91x = 459,609.58 × 187,859.61
  4. Step 4: Simplify right side
    333,046.91x = 86,342,076,451.06
  5. Step 5: Solve for x
    x = 86,342,076,451.06/333,046.91
  6. Step 6: Final answer
    x = 259,248.99

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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.