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Finding the Fourth Proportional to 889,294.88, 1,227,224.40 and 486,884

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Solution

The fourth proportional to 889,294.88, 1,227,224.40 and 486,884 is: 671,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,294.88 : 1,227,224.40 = 486,884 : x
  2. Step 2: Convert to fraction form
    889,294.88/1,227,224.40 = 486,884/x
  3. Step 3: Cross multiply
    889,294.88x = 1,227,224.40 × 486,884
  4. Step 4: Simplify right side
    889,294.88x = 597,515,924,769.60
  5. Step 5: Solve for x
    x = 597,515,924,769.60/889,294.88
  6. Step 6: Final answer
    x = 671,898.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.