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Finding the Fourth Proportional to 664,349.58, 995,025.96 and 308,614.95

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Solution

The fourth proportional to 664,349.58, 995,025.96 and 308,614.95 is: 462,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,349.58 : 995,025.96 = 308,614.95 : x
  2. Step 2: Convert to fraction form
    664,349.58/995,025.96 = 308,614.95/x
  3. Step 3: Cross multiply
    664,349.58x = 995,025.96 × 308,614.95
  4. Step 4: Simplify right side
    664,349.58x = 307,079,886,894.10
  5. Step 5: Solve for x
    x = 307,079,886,894.10/664,349.58
  6. Step 6: Final answer
    x = 462,226.36

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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.