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Finding the Fourth Proportional to 432,994.04, 649,324.91 and 148,631.57

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Solution

The fourth proportional to 432,994.04, 649,324.91 and 148,631.57 is: 222,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,994.04 : 649,324.91 = 148,631.57 : x
  2. Step 2: Convert to fraction form
    432,994.04/649,324.91 = 148,631.57/x
  3. Step 3: Cross multiply
    432,994.04x = 649,324.91 × 148,631.57
  4. Step 4: Simplify right side
    432,994.04x = 96,510,180,813.41
  5. Step 5: Solve for x
    x = 96,510,180,813.41/432,994.04
  6. Step 6: Final answer
    x = 222,890.32

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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.