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Finding the Fourth Proportional to 508,505.68, 762,650.52 and 192,851.92

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Solution

The fourth proportional to 508,505.68, 762,650.52 and 192,851.92 is: 289,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,505.68 : 762,650.52 = 192,851.92 : x
  2. Step 2: Convert to fraction form
    508,505.68/762,650.52 = 192,851.92/x
  3. Step 3: Cross multiply
    508,505.68x = 762,650.52 × 192,851.92
  4. Step 4: Simplify right side
    508,505.68x = 147,078,617,071.00
  5. Step 5: Solve for x
    x = 147,078,617,071.00/508,505.68
  6. Step 6: Final answer
    x = 289,236.92

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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.