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Finding the Fourth Proportional to 577,615.02, 866,848.20 and 274,010.11

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Solution

The fourth proportional to 577,615.02, 866,848.20 and 274,010.11 is: 411,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,615.02 : 866,848.20 = 274,010.11 : x
  2. Step 2: Convert to fraction form
    577,615.02/866,848.20 = 274,010.11/x
  3. Step 3: Cross multiply
    577,615.02x = 866,848.20 × 274,010.11
  4. Step 4: Simplify right side
    577,615.02x = 237,525,167,440.64
  5. Step 5: Solve for x
    x = 237,525,167,440.64/577,615.02
  6. Step 6: Final answer
    x = 411,217.09

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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.