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Finding the Fourth Proportional to 590,531.20, 885,926.40 and 191,190.40

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Solution

The fourth proportional to 590,531.20, 885,926.40 and 191,190.40 is: 286,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,531.20 : 885,926.40 = 191,190.40 : x
  2. Step 2: Convert to fraction form
    590,531.20/885,926.40 = 191,190.40/x
  3. Step 3: Cross multiply
    590,531.20x = 885,926.40 × 191,190.40
  4. Step 4: Simplify right side
    590,531.20x = 169,380,622,786.56
  5. Step 5: Solve for x
    x = 169,380,622,786.56/590,531.20
  6. Step 6: Final answer
    x = 286,827.56

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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.