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Finding the Fourth Proportional to 373,296.52, 515,056.82 and 228,064.92

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Solution

The fourth proportional to 373,296.52, 515,056.82 and 228,064.92 is: 314,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,296.52 : 515,056.82 = 228,064.92 : x
  2. Step 2: Convert to fraction form
    373,296.52/515,056.82 = 228,064.92/x
  3. Step 3: Cross multiply
    373,296.52x = 515,056.82 × 228,064.92
  4. Step 4: Simplify right side
    373,296.52x = 117,466,392,448.75
  5. Step 5: Solve for x
    x = 117,466,392,448.75/373,296.52
  6. Step 6: Final answer
    x = 314,673.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.