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Finding the Fourth Proportional to 355,576.78, 533,350.94 and 195,969.11

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Solution

The fourth proportional to 355,576.78, 533,350.94 and 195,969.11 is: 293,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,576.78 : 533,350.94 = 195,969.11 : x
  2. Step 2: Convert to fraction form
    355,576.78/533,350.94 = 195,969.11/x
  3. Step 3: Cross multiply
    355,576.78x = 533,350.94 × 195,969.11
  4. Step 4: Simplify right side
    355,576.78x = 104,520,309,029.46
  5. Step 5: Solve for x
    x = 104,520,309,029.46/355,576.78
  6. Step 6: Final answer
    x = 293,945.82

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1.5x scale

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.