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Finding the Fourth Proportional to 515,568.00, 773,167.46 and 178,518.16

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Solution

The fourth proportional to 515,568.00, 773,167.46 and 178,518.16 is: 267,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,568.00 : 773,167.46 = 178,518.16 : x
  2. Step 2: Convert to fraction form
    515,568.00/773,167.46 = 178,518.16/x
  3. Step 3: Cross multiply
    515,568.00x = 773,167.46 × 178,518.16
  4. Step 4: Simplify right side
    515,568.00x = 138,024,432,404.94
  5. Step 5: Solve for x
    x = 138,024,432,404.94/515,568.00
  6. Step 6: Final answer
    x = 267,713.34

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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.