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Finding the Fourth Proportional to 622,745.66, 857,578.92 and 541,036.10

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Solution

The fourth proportional to 622,745.66, 857,578.92 and 541,036.10 is: 745,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,745.66 : 857,578.92 = 541,036.10 : x
  2. Step 2: Convert to fraction form
    622,745.66/857,578.92 = 541,036.10/x
  3. Step 3: Cross multiply
    622,745.66x = 857,578.92 × 541,036.10
  4. Step 4: Simplify right side
    622,745.66x = 463,981,154,319.01
  5. Step 5: Solve for x
    x = 463,981,154,319.01/622,745.66
  6. Step 6: Final answer
    x = 745,057.23

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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.