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Finding the Fourth Proportional to 706,712.72, 975,289.56 and 404,965.04

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Solution

The fourth proportional to 706,712.72, 975,289.56 and 404,965.04 is: 558,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,712.72 : 975,289.56 = 404,965.04 : x
  2. Step 2: Convert to fraction form
    706,712.72/975,289.56 = 404,965.04/x
  3. Step 3: Cross multiply
    706,712.72x = 975,289.56 × 404,965.04
  4. Step 4: Simplify right side
    706,712.72x = 394,958,175,676.98
  5. Step 5: Solve for x
    x = 394,958,175,676.98/706,712.72
  6. Step 6: Final answer
    x = 558,866.66

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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.