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Finding the Fourth Proportional to 544,064.91, 814,557.54 and 415,834.26

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Solution

The fourth proportional to 544,064.91, 814,557.54 and 415,834.26 is: 622,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,064.91 : 814,557.54 = 415,834.26 : x
  2. Step 2: Convert to fraction form
    544,064.91/814,557.54 = 415,834.26/x
  3. Step 3: Cross multiply
    544,064.91x = 814,557.54 × 415,834.26
  4. Step 4: Simplify right side
    544,064.91x = 338,720,927,800.53
  5. Step 5: Solve for x
    x = 338,720,927,800.53/544,064.91
  6. Step 6: Final answer
    x = 622,574.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.