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Finding the Fourth Proportional to 706,730.22, 975,313.71 and 404,982.54

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Solution

The fourth proportional to 706,730.22, 975,313.71 and 404,982.54 is: 558,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,730.22 : 975,313.71 = 404,982.54 : x
  2. Step 2: Convert to fraction form
    706,730.22/975,313.71 = 404,982.54/x
  3. Step 3: Cross multiply
    706,730.22x = 975,313.71 × 404,982.54
  4. Step 4: Simplify right side
    706,730.22x = 394,985,023,572.62
  5. Step 5: Solve for x
    x = 394,985,023,572.62/706,730.22
  6. Step 6: Final answer
    x = 558,890.81

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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.