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Finding the Fourth Proportional to 706,694.60, 1,058,486.70 and 627,897.80

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Solution

The fourth proportional to 706,694.60, 1,058,486.70 and 627,897.80 is: 940,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,694.60 : 1,058,486.70 = 627,897.80 : x
  2. Step 2: Convert to fraction form
    706,694.60/1,058,486.70 = 627,897.80/x
  3. Step 3: Cross multiply
    706,694.60x = 1,058,486.70 × 627,897.80
  4. Step 4: Simplify right side
    706,694.60x = 664,621,470,259.26
  5. Step 5: Solve for x
    x = 664,621,470,259.26/706,694.60
  6. Step 6: Final answer
    x = 940,464.91

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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.