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Finding the Fourth Proportional to 355,607.10, 534,025.05 and 189,719.10

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Solution

The fourth proportional to 355,607.10, 534,025.05 and 189,719.10 is: 284,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,607.10 : 534,025.05 = 189,719.10 : x
  2. Step 2: Convert to fraction form
    355,607.10/534,025.05 = 189,719.10/x
  3. Step 3: Cross multiply
    355,607.10x = 534,025.05 × 189,719.10
  4. Step 4: Simplify right side
    355,607.10x = 101,314,751,863.46
  5. Step 5: Solve for x
    x = 101,314,751,863.46/355,607.10
  6. Step 6: Final answer
    x = 284,906.44

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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.