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Finding the Fourth Proportional to 466,921.42, 699,259.37 and 266,634.74

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Solution

The fourth proportional to 466,921.42, 699,259.37 and 266,634.74 is: 399,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,921.42 : 699,259.37 = 266,634.74 : x
  2. Step 2: Convert to fraction form
    466,921.42/699,259.37 = 266,634.74/x
  3. Step 3: Cross multiply
    466,921.42x = 699,259.37 × 266,634.74
  4. Step 4: Simplify right side
    466,921.42x = 186,446,840,727.49
  5. Step 5: Solve for x
    x = 186,446,840,727.49/466,921.42
  6. Step 6: Final answer
    x = 399,310.96

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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.