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Finding the Fourth Proportional to 575,197.62, 862,702.95 and 271,591.22

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Solution

The fourth proportional to 575,197.62, 862,702.95 and 271,591.22 is: 407,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,197.62 : 862,702.95 = 271,591.22 : x
  2. Step 2: Convert to fraction form
    575,197.62/862,702.95 = 271,591.22/x
  3. Step 3: Cross multiply
    575,197.62x = 862,702.95 × 271,591.22
  4. Step 4: Simplify right side
    575,197.62x = 234,302,546,688.10
  5. Step 5: Solve for x
    x = 234,302,546,688.10/575,197.62
  6. Step 6: Final answer
    x = 407,342.69

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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.