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Finding the Fourth Proportional to 590,270.02, 885,591.90 and 211,182.40

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Solution

The fourth proportional to 590,270.02, 885,591.90 and 211,182.40 is: 316,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,270.02 : 885,591.90 = 211,182.40 : x
  2. Step 2: Convert to fraction form
    590,270.02/885,591.90 = 211,182.40/x
  3. Step 3: Cross multiply
    590,270.02x = 885,591.90 × 211,182.40
  4. Step 4: Simplify right side
    590,270.02x = 187,021,422,862.56
  5. Step 5: Solve for x
    x = 187,021,422,862.56/590,270.02
  6. Step 6: Final answer
    x = 316,840.46

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Double scale
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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.