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Finding the Fourth Proportional to 554,969.38, 765,775.36 and 337,064.66

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Solution

The fourth proportional to 554,969.38, 765,775.36 and 337,064.66 is: 465,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,969.38 : 765,775.36 = 337,064.66 : x
  2. Step 2: Convert to fraction form
    554,969.38/765,775.36 = 337,064.66/x
  3. Step 3: Cross multiply
    554,969.38x = 765,775.36 × 337,064.66
  4. Step 4: Simplify right side
    554,969.38x = 258,115,811,354.78
  5. Step 5: Solve for x
    x = 258,115,811,354.78/554,969.38
  6. Step 6: Final answer
    x = 465,099.19

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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.