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Finding the Fourth Proportional to 577,619.78, 866,855.37 and 274,014.89

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Solution

The fourth proportional to 577,619.78, 866,855.37 and 274,014.89 is: 411,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,619.78 : 866,855.37 = 274,014.89 : x
  2. Step 2: Convert to fraction form
    577,619.78/866,855.37 = 274,014.89/x
  3. Step 3: Cross multiply
    577,619.78x = 866,855.37 × 274,014.89
  4. Step 4: Simplify right side
    577,619.78x = 237,531,278,856.46
  5. Step 5: Solve for x
    x = 237,531,278,856.46/577,619.78
  6. Step 6: Final answer
    x = 411,224.28

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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.