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Finding the Fourth Proportional to 384,874.04, 577,404.90 and 271,243.32

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Solution

The fourth proportional to 384,874.04, 577,404.90 and 271,243.32 is: 406,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,874.04 : 577,404.90 = 271,243.32 : x
  2. Step 2: Convert to fraction form
    384,874.04/577,404.90 = 271,243.32/x
  3. Step 3: Cross multiply
    384,874.04x = 577,404.90 × 271,243.32
  4. Step 4: Simplify right side
    384,874.04x = 156,617,222,060.27
  5. Step 5: Solve for x
    x = 156,617,222,060.27/384,874.04
  6. Step 6: Final answer
    x = 406,931.12

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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.