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Finding the Fourth Proportional to 368,289.79, 552,458.08 and 115,580.27

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Solution

The fourth proportional to 368,289.79, 552,458.08 and 115,580.27 is: 173,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,289.79 : 552,458.08 = 115,580.27 : x
  2. Step 2: Convert to fraction form
    368,289.79/552,458.08 = 115,580.27/x
  3. Step 3: Cross multiply
    368,289.79x = 552,458.08 × 115,580.27
  4. Step 4: Simplify right side
    368,289.79x = 63,853,250,998.84
  5. Step 5: Solve for x
    x = 63,853,250,998.84/368,289.79
  6. Step 6: Final answer
    x = 173,377.74

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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.