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Finding the Fourth Proportional to 262,897.40, 394,346.10 and 162,732.80

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Solution

The fourth proportional to 262,897.40, 394,346.10 and 162,732.80 is: 244,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,897.40 : 394,346.10 = 162,732.80 : x
  2. Step 2: Convert to fraction form
    262,897.40/394,346.10 = 162,732.80/x
  3. Step 3: Cross multiply
    262,897.40x = 394,346.10 × 162,732.80
  4. Step 4: Simplify right side
    262,897.40x = 64,173,045,022.08
  5. Step 5: Solve for x
    x = 64,173,045,022.08/262,897.40
  6. Step 6: Final answer
    x = 244,099.20

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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.