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Finding the Fourth Proportional to 398,562.94, 597,986.97 and 170,762.86

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Solution

The fourth proportional to 398,562.94, 597,986.97 and 170,762.86 is: 256,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,562.94 : 597,986.97 = 170,762.86 : x
  2. Step 2: Convert to fraction form
    398,562.94/597,986.97 = 170,762.86/x
  3. Step 3: Cross multiply
    398,562.94x = 597,986.97 × 170,762.86
  4. Step 4: Simplify right side
    398,562.94x = 102,113,965,239.93
  5. Step 5: Solve for x
    x = 102,113,965,239.93/398,562.94
  6. Step 6: Final answer
    x = 256,205.37

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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.