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Finding the Fourth Proportional to 512,600.64, 768,365.76 and 175,541.76

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Solution

The fourth proportional to 512,600.64, 768,365.76 and 175,541.76 is: 263,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,600.64 : 768,365.76 = 175,541.76 : x
  2. Step 2: Convert to fraction form
    512,600.64/768,365.76 = 175,541.76/x
  3. Step 3: Cross multiply
    512,600.64x = 768,365.76 × 175,541.76
  4. Step 4: Simplify right side
    512,600.64x = 134,880,277,834.14
  5. Step 5: Solve for x
    x = 134,880,277,834.14/512,600.64
  6. Step 6: Final answer
    x = 263,129.36

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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.