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Finding the Fourth Proportional to 569,634.20, 854,645.70 and 254,187.80

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Solution

The fourth proportional to 569,634.20, 854,645.70 and 254,187.80 is: 381,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,634.20 : 854,645.70 = 254,187.80 : x
  2. Step 2: Convert to fraction form
    569,634.20/854,645.70 = 254,187.80/x
  3. Step 3: Cross multiply
    569,634.20x = 854,645.70 × 254,187.80
  4. Step 4: Simplify right side
    569,634.20x = 217,240,510,262.46
  5. Step 5: Solve for x
    x = 217,240,510,262.46/569,634.20
  6. Step 6: Final answer
    x = 381,368.45

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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.