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Finding the Fourth Proportional to 468,652.02, 702,978.02 and 131,679.06

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Solution

The fourth proportional to 468,652.02, 702,978.02 and 131,679.06 is: 197,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,652.02 : 702,978.02 = 131,679.06 : x
  2. Step 2: Convert to fraction form
    468,652.02/702,978.02 = 131,679.06/x
  3. Step 3: Cross multiply
    468,652.02x = 702,978.02 × 131,679.06
  4. Step 4: Simplify right side
    468,652.02x = 92,567,484,874.26
  5. Step 5: Solve for x
    x = 92,567,484,874.26/468,652.02
  6. Step 6: Final answer
    x = 197,518.59

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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.