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Finding the Fourth Proportional to 355,551.04, 533,523.36 and 213,046.24

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Solution

The fourth proportional to 355,551.04, 533,523.36 and 213,046.24 is: 319,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,551.04 : 533,523.36 = 213,046.24 : x
  2. Step 2: Convert to fraction form
    355,551.04/533,523.36 = 213,046.24/x
  3. Step 3: Cross multiply
    355,551.04x = 533,523.36 × 213,046.24
  4. Step 4: Simplify right side
    355,551.04x = 113,665,145,800.17
  5. Step 5: Solve for x
    x = 113,665,145,800.17/355,551.04
  6. Step 6: Final answer
    x = 319,687.28

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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.