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Finding the Fourth Proportional to 368,325.68, 552,451.05 and 115,608.11

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Solution

The fourth proportional to 368,325.68, 552,451.05 and 115,608.11 is: 173,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,325.68 : 552,451.05 = 115,608.11 : x
  2. Step 2: Convert to fraction form
    368,325.68/552,451.05 = 115,608.11/x
  3. Step 3: Cross multiply
    368,325.68x = 552,451.05 × 115,608.11
  4. Step 4: Simplify right side
    368,325.68x = 63,867,818,995.76
  5. Step 5: Solve for x
    x = 63,867,818,995.76/368,325.68
  6. Step 6: Final answer
    x = 173,400.40

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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.