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Finding the Fourth Proportional to 479,495.96, 719,360.76 and 159,647.24

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Solution

The fourth proportional to 479,495.96, 719,360.76 and 159,647.24 is: 239,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,495.96 : 719,360.76 = 159,647.24 : x
  2. Step 2: Convert to fraction form
    479,495.96/719,360.76 = 159,647.24/x
  3. Step 3: Cross multiply
    479,495.96x = 719,360.76 × 159,647.24
  4. Step 4: Simplify right side
    479,495.96x = 114,843,959,898.30
  5. Step 5: Solve for x
    x = 114,843,959,898.30/479,495.96
  6. Step 6: Final answer
    x = 239,509.75

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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.