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Finding the Fourth Proportional to 590,272.40, 885,408.60 and 147,040.40

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Solution

The fourth proportional to 590,272.40, 885,408.60 and 147,040.40 is: 220,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,272.40 : 885,408.60 = 147,040.40 : x
  2. Step 2: Convert to fraction form
    590,272.40/885,408.60 = 147,040.40/x
  3. Step 3: Cross multiply
    590,272.40x = 885,408.60 × 147,040.40
  4. Step 4: Simplify right side
    590,272.40x = 130,190,834,707.44
  5. Step 5: Solve for x
    x = 130,190,834,707.44/590,272.40
  6. Step 6: Final answer
    x = 220,560.60

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Similar ratio
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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.