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Finding the Fourth Proportional to 577,527.11, 866,114.08 and 203,462.63

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Solution

The fourth proportional to 577,527.11, 866,114.08 and 203,462.63 is: 305,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,527.11 : 866,114.08 = 203,462.63 : x
  2. Step 2: Convert to fraction form
    577,527.11/866,114.08 = 203,462.63/x
  3. Step 3: Cross multiply
    577,527.11x = 866,114.08 × 203,462.63
  4. Step 4: Simplify right side
    577,527.11x = 176,221,843,757.60
  5. Step 5: Solve for x
    x = 176,221,843,757.60/577,527.11
  6. Step 6: Final answer
    x = 305,131.73

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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.