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Finding the Fourth Proportional to 706,659.84, 975,216.42 and 404,912.16

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Solution

The fourth proportional to 706,659.84, 975,216.42 and 404,912.16 is: 558,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,659.84 : 975,216.42 = 404,912.16 : x
  2. Step 2: Convert to fraction form
    706,659.84/975,216.42 = 404,912.16/x
  3. Step 3: Cross multiply
    706,659.84x = 975,216.42 × 404,912.16
  4. Step 4: Simplify right side
    706,659.84x = 394,876,987,089.67
  5. Step 5: Solve for x
    x = 394,876,987,089.67/706,659.84
  6. Step 6: Final answer
    x = 558,793.59

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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.