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Finding the Fourth Proportional to 663,695.55, 995,543.37 and 264,616.58

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Solution

The fourth proportional to 663,695.55, 995,543.37 and 264,616.58 is: 396,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,695.55 : 995,543.37 = 264,616.58 : x
  2. Step 2: Convert to fraction form
    663,695.55/995,543.37 = 264,616.58/x
  3. Step 3: Cross multiply
    663,695.55x = 995,543.37 × 264,616.58
  4. Step 4: Simplify right side
    663,695.55x = 263,437,276,833.36
  5. Step 5: Solve for x
    x = 263,437,276,833.36/663,695.55
  6. Step 6: Final answer
    x = 396,924.88

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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.