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Finding the Fourth Proportional to 537,771.29, 807,155.69 and 271,718.64

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Solution

The fourth proportional to 537,771.29, 807,155.69 and 271,718.64 is: 407,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,771.29 : 807,155.69 = 271,718.64 : x
  2. Step 2: Convert to fraction form
    537,771.29/807,155.69 = 271,718.64/x
  3. Step 3: Cross multiply
    537,771.29x = 807,155.69 × 271,718.64
  4. Step 4: Simplify right side
    537,771.29x = 219,319,244,996.47
  5. Step 5: Solve for x
    x = 219,319,244,996.47/537,771.29
  6. Step 6: Final answer
    x = 407,829.97

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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.