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Finding the Fourth Proportional to 590,416.70, 885,625.05 and 541,427.90

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Solution

The fourth proportional to 590,416.70, 885,625.05 and 541,427.90 is: 812,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,416.70 : 885,625.05 = 541,427.90 : x
  2. Step 2: Convert to fraction form
    590,416.70/885,625.05 = 541,427.90/x
  3. Step 3: Cross multiply
    590,416.70x = 885,625.05 × 541,427.90
  4. Step 4: Simplify right side
    590,416.70x = 479,502,111,008.90
  5. Step 5: Solve for x
    x = 479,502,111,008.90/590,416.70
  6. Step 6: Final answer
    x = 812,141.85

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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.