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Finding the Fourth Proportional to 608,745.60, 908,719.20 and 534,096

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Solution

The fourth proportional to 608,745.60, 908,719.20 and 534,096 is: 797,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,745.60 : 908,719.20 = 534,096 : x
  2. Step 2: Convert to fraction form
    608,745.60/908,719.20 = 534,096/x
  3. Step 3: Cross multiply
    608,745.60x = 908,719.20 × 534,096
  4. Step 4: Simplify right side
    608,745.60x = 485,343,289,843.20
  5. Step 5: Solve for x
    x = 485,343,289,843.20/608,745.60
  6. Step 6: Final answer
    x = 797,284.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.