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Finding the Fourth Proportional to 570,112.20, 854,477.10 and 254,233.80

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Solution

The fourth proportional to 570,112.20, 854,477.10 and 254,233.80 is: 381,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,112.20 : 854,477.10 = 254,233.80 : x
  2. Step 2: Convert to fraction form
    570,112.20/854,477.10 = 254,233.80/x
  3. Step 3: Cross multiply
    570,112.20x = 854,477.10 × 254,233.80
  4. Step 4: Simplify right side
    570,112.20x = 217,236,960,145.98
  5. Step 5: Solve for x
    x = 217,236,960,145.98/570,112.20
  6. Step 6: Final answer
    x = 381,042.47

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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.