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Finding the Fourth Proportional to 706,591.80, 1,058,721.30 and 601,615.80

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Solution

The fourth proportional to 706,591.80, 1,058,721.30 and 601,615.80 is: 901,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,591.80 : 1,058,721.30 = 601,615.80 : x
  2. Step 2: Convert to fraction form
    706,591.80/1,058,721.30 = 601,615.80/x
  3. Step 3: Cross multiply
    706,591.80x = 1,058,721.30 × 601,615.80
  4. Step 4: Simplify right side
    706,591.80x = 636,943,461,876.54
  5. Step 5: Solve for x
    x = 636,943,461,876.54/706,591.80
  6. Step 6: Final answer
    x = 901,430.59

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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.