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Finding the Fourth Proportional to 617,025.60, 925,499.52 and 196,603.20

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Solution

The fourth proportional to 617,025.60, 925,499.52 and 196,603.20 is: 294,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,025.60 : 925,499.52 = 196,603.20 : x
  2. Step 2: Convert to fraction form
    617,025.60/925,499.52 = 196,603.20/x
  3. Step 3: Cross multiply
    617,025.60x = 925,499.52 × 196,603.20
  4. Step 4: Simplify right side
    617,025.60x = 181,956,167,230.46
  5. Step 5: Solve for x
    x = 181,956,167,230.46/617,025.60
  6. Step 6: Final answer
    x = 294,892.41

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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.