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Finding the Fourth Proportional to 263,000.80, 394,501.20 and 151,026.40

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Solution

The fourth proportional to 263,000.80, 394,501.20 and 151,026.40 is: 226,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,000.80 : 394,501.20 = 151,026.40 : x
  2. Step 2: Convert to fraction form
    263,000.80/394,501.20 = 151,026.40/x
  3. Step 3: Cross multiply
    263,000.80x = 394,501.20 × 151,026.40
  4. Step 4: Simplify right side
    263,000.80x = 59,580,096,031.68
  5. Step 5: Solve for x
    x = 59,580,096,031.68/263,000.80
  6. Step 6: Final answer
    x = 226,539.60

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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.