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Finding the Fourth Proportional to 461,457.91, 636,812.04 and 254,726.43

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Solution

The fourth proportional to 461,457.91, 636,812.04 and 254,726.43 is: 351,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,457.91 : 636,812.04 = 254,726.43 : x
  2. Step 2: Convert to fraction form
    461,457.91/636,812.04 = 254,726.43/x
  3. Step 3: Cross multiply
    461,457.91x = 636,812.04 × 254,726.43
  4. Step 4: Simplify right side
    461,457.91x = 162,212,857,888.43
  5. Step 5: Solve for x
    x = 162,212,857,888.43/461,457.91
  6. Step 6: Final answer
    x = 351,522.54

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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.