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Finding the Fourth Proportional to 533,691.59, 800,532.72 and 217,926.86

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Solution

The fourth proportional to 533,691.59, 800,532.72 and 217,926.86 is: 326,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,691.59 : 800,532.72 = 217,926.86 : x
  2. Step 2: Convert to fraction form
    533,691.59/800,532.72 = 217,926.86/x
  3. Step 3: Cross multiply
    533,691.59x = 800,532.72 × 217,926.86
  4. Step 4: Simplify right side
    533,691.59x = 174,457,577,994.20
  5. Step 5: Solve for x
    x = 174,457,577,994.20/533,691.59
  6. Step 6: Final answer
    x = 326,888.38

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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.