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Finding the Fourth Proportional to 590,170.80, 885,256.20 and 146,938.80

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Solution

The fourth proportional to 590,170.80, 885,256.20 and 146,938.80 is: 220,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,170.80 : 885,256.20 = 146,938.80 : x
  2. Step 2: Convert to fraction form
    590,170.80/885,256.20 = 146,938.80/x
  3. Step 3: Cross multiply
    590,170.80x = 885,256.20 × 146,938.80
  4. Step 4: Simplify right side
    590,170.80x = 130,078,483,720.56
  5. Step 5: Solve for x
    x = 130,078,483,720.56/590,170.80
  6. Step 6: Final answer
    x = 220,408.20

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Similar ratio
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1.5x scale

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.