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Finding the Fourth Proportional to 262,877.40, 394,316.10 and 162,712.80

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Solution

The fourth proportional to 262,877.40, 394,316.10 and 162,712.80 is: 244,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,877.40 : 394,316.10 = 162,712.80 : x
  2. Step 2: Convert to fraction form
    262,877.40/394,316.10 = 162,712.80/x
  3. Step 3: Cross multiply
    262,877.40x = 394,316.10 × 162,712.80
  4. Step 4: Simplify right side
    262,877.40x = 64,160,276,716.08
  5. Step 5: Solve for x
    x = 64,160,276,716.08/262,877.40
  6. Step 6: Final answer
    x = 244,069.20

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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.