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Finding the Fourth Proportional to 262,331.40, 393,497.10 and 162,798.60

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Solution

The fourth proportional to 262,331.40, 393,497.10 and 162,798.60 is: 244,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,331.40 : 393,497.10 = 162,798.60 : x
  2. Step 2: Convert to fraction form
    262,331.40/393,497.10 = 162,798.60/x
  3. Step 3: Cross multiply
    262,331.40x = 393,497.10 × 162,798.60
  4. Step 4: Simplify right side
    262,331.40x = 64,060,776,984.06
  5. Step 5: Solve for x
    x = 64,060,776,984.06/262,331.40
  6. Step 6: Final answer
    x = 244,197.90

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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.