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Finding the Fourth Proportional to 487,664.73, 731,315.63 and 167,726.79

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Solution

The fourth proportional to 487,664.73, 731,315.63 and 167,726.79 is: 251,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,664.73 : 731,315.63 = 167,726.79 : x
  2. Step 2: Convert to fraction form
    487,664.73/731,315.63 = 167,726.79/x
  3. Step 3: Cross multiply
    487,664.73x = 731,315.63 × 167,726.79
  4. Step 4: Simplify right side
    487,664.73x = 122,661,223,096.73
  5. Step 5: Solve for x
    x = 122,661,223,096.73/487,664.73
  6. Step 6: Final answer
    x = 251,527.77

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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.