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Finding the Fourth Proportional to 539,694.41, 744,807.47 and 297,976.23

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Solution

The fourth proportional to 539,694.41, 744,807.47 and 297,976.23 is: 411,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,694.41 : 744,807.47 = 297,976.23 : x
  2. Step 2: Convert to fraction form
    539,694.41/744,807.47 = 297,976.23/x
  3. Step 3: Cross multiply
    539,694.41x = 744,807.47 × 297,976.23
  4. Step 4: Simplify right side
    539,694.41x = 221,934,920,496.56
  5. Step 5: Solve for x
    x = 221,934,920,496.56/539,694.41
  6. Step 6: Final answer
    x = 411,223.31

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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.