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Finding the Fourth Proportional to 706,738.44, 975,281.58 and 404,913

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Solution

The fourth proportional to 706,738.44, 975,281.58 and 404,913 is: 558,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,738.44 : 975,281.58 = 404,913 : x
  2. Step 2: Convert to fraction form
    706,738.44/975,281.58 = 404,913/x
  3. Step 3: Cross multiply
    706,738.44x = 975,281.58 × 404,913
  4. Step 4: Simplify right side
    706,738.44x = 394,904,190,402.54
  5. Step 5: Solve for x
    x = 394,904,190,402.54/706,738.44
  6. Step 6: Final answer
    x = 558,769.93

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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.