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Finding the Fourth Proportional to 487,930.54, 731,713.78 and 167,992.04

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Solution

The fourth proportional to 487,930.54, 731,713.78 and 167,992.04 is: 251,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,930.54 : 731,713.78 = 167,992.04 : x
  2. Step 2: Convert to fraction form
    487,930.54/731,713.78 = 167,992.04/x
  3. Step 3: Cross multiply
    487,930.54x = 731,713.78 × 167,992.04
  4. Step 4: Simplify right side
    487,930.54x = 122,922,090,598.31
  5. Step 5: Solve for x
    x = 122,922,090,598.31/487,930.54
  6. Step 6: Final answer
    x = 251,925.39

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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.