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Finding the Fourth Proportional to 845,960.90, 1,167,468.89 and 464,023.30

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Solution

The fourth proportional to 845,960.90, 1,167,468.89 and 464,023.30 is: 640,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,960.90 : 1,167,468.89 = 464,023.30 : x
  2. Step 2: Convert to fraction form
    845,960.90/1,167,468.89 = 464,023.30/x
  3. Step 3: Cross multiply
    845,960.90x = 1,167,468.89 × 464,023.30
  4. Step 4: Simplify right side
    845,960.90x = 541,732,766,985.14
  5. Step 5: Solve for x
    x = 541,732,766,985.14/845,960.90
  6. Step 6: Final answer
    x = 640,375.66

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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.