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Finding the Fourth Proportional to 663,664.08, 995,500.08 and 165,028.08

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Solution

The fourth proportional to 663,664.08, 995,500.08 and 165,028.08 is: 247,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,664.08 : 995,500.08 = 165,028.08 : x
  2. Step 2: Convert to fraction form
    663,664.08/995,500.08 = 165,028.08/x
  3. Step 3: Cross multiply
    663,664.08x = 995,500.08 × 165,028.08
  4. Step 4: Simplify right side
    663,664.08x = 164,285,466,842.25
  5. Step 5: Solve for x
    x = 164,285,466,842.25/663,664.08
  6. Step 6: Final answer
    x = 247,543.10

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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.