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Finding the Fourth Proportional to 620,576.55, 930,846.29 and 171,324.83

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Solution

The fourth proportional to 620,576.55, 930,846.29 and 171,324.83 is: 256,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,576.55 : 930,846.29 = 171,324.83 : x
  2. Step 2: Convert to fraction form
    620,576.55/930,846.29 = 171,324.83/x
  3. Step 3: Cross multiply
    620,576.55x = 930,846.29 × 171,324.83
  4. Step 4: Simplify right side
    620,576.55x = 159,477,076,879.53
  5. Step 5: Solve for x
    x = 159,477,076,879.53/620,576.55
  6. Step 6: Final answer
    x = 256,982.12

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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.