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Finding the Fourth Proportional to 624,762.25, 937,143.38 and 151,447.61

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Solution

The fourth proportional to 624,762.25, 937,143.38 and 151,447.61 is: 227,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,762.25 : 937,143.38 = 151,447.61 : x
  2. Step 2: Convert to fraction form
    624,762.25/937,143.38 = 151,447.61/x
  3. Step 3: Cross multiply
    624,762.25x = 937,143.38 × 151,447.61
  4. Step 4: Simplify right side
    624,762.25x = 141,928,129,470.51
  5. Step 5: Solve for x
    x = 141,928,129,470.51/624,762.25
  6. Step 6: Final answer
    x = 227,171.42

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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.