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Finding the Fourth Proportional to 529,640.16, 794,509.20 and 150,568.80

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Solution

The fourth proportional to 529,640.16, 794,509.20 and 150,568.80 is: 225,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,640.16 : 794,509.20 = 150,568.80 : x
  2. Step 2: Convert to fraction form
    529,640.16/794,509.20 = 150,568.80/x
  3. Step 3: Cross multiply
    529,640.16x = 794,509.20 × 150,568.80
  4. Step 4: Simplify right side
    529,640.16x = 119,628,296,832.96
  5. Step 5: Solve for x
    x = 119,628,296,832.96/529,640.16
  6. Step 6: Final answer
    x = 225,867.12

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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.