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Finding the Fourth Proportional to 458,866.80, 633,235.62 and 254,936.55

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Solution

The fourth proportional to 458,866.80, 633,235.62 and 254,936.55 is: 351,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,866.80 : 633,235.62 = 254,936.55 : x
  2. Step 2: Convert to fraction form
    458,866.80/633,235.62 = 254,936.55/x
  3. Step 3: Cross multiply
    458,866.80x = 633,235.62 × 254,936.55
  4. Step 4: Simplify right side
    458,866.80x = 161,434,904,299.91
  5. Step 5: Solve for x
    x = 161,434,904,299.91/458,866.80
  6. Step 6: Final answer
    x = 351,812.13

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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.