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Finding the Fourth Proportional to 458,258.40, 687,890.52 and 364,093.92

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Solution

The fourth proportional to 458,258.40, 687,890.52 and 364,093.92 is: 546,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,258.40 : 687,890.52 = 364,093.92 : x
  2. Step 2: Convert to fraction form
    458,258.40/687,890.52 = 364,093.92/x
  3. Step 3: Cross multiply
    458,258.40x = 687,890.52 × 364,093.92
  4. Step 4: Simplify right side
    458,258.40x = 250,456,755,957.64
  5. Step 5: Solve for x
    x = 250,456,755,957.64/458,258.40
  6. Step 6: Final answer
    x = 546,540.46

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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.