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Finding the Fourth Proportional to 325,868.73, 488,840.01 and 292,383.06

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Solution

The fourth proportional to 325,868.73, 488,840.01 and 292,383.06 is: 438,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,868.73 : 488,840.01 = 292,383.06 : x
  2. Step 2: Convert to fraction form
    325,868.73/488,840.01 = 292,383.06/x
  3. Step 3: Cross multiply
    325,868.73x = 488,840.01 × 292,383.06
  4. Step 4: Simplify right side
    325,868.73x = 142,928,537,974.23
  5. Step 5: Solve for x
    x = 142,928,537,974.23/325,868.73
  6. Step 6: Final answer
    x = 438,607.71

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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.