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Finding the Fourth Proportional to 577,630.80, 866,871.96 and 274,025.94

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Solution

The fourth proportional to 577,630.80, 866,871.96 and 274,025.94 is: 411,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,630.80 : 866,871.96 = 274,025.94 : x
  2. Step 2: Convert to fraction form
    577,630.80/866,871.96 = 274,025.94/x
  3. Step 3: Cross multiply
    577,630.80x = 866,871.96 × 274,025.94
  4. Step 4: Simplify right side
    577,630.80x = 237,545,403,698.64
  5. Step 5: Solve for x
    x = 237,545,403,698.64/577,630.80
  6. Step 6: Final answer
    x = 411,240.89

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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.