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Finding the Fourth Proportional to 590,457.43, 885,826.68 and 191,098.20

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Solution

The fourth proportional to 590,457.43, 885,826.68 and 191,098.20 is: 286,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,457.43 : 885,826.68 = 191,098.20 : x
  2. Step 2: Convert to fraction form
    590,457.43/885,826.68 = 191,098.20/x
  3. Step 3: Cross multiply
    590,457.43x = 885,826.68 × 191,098.20
  4. Step 4: Simplify right side
    590,457.43x = 169,279,884,003.05
  5. Step 5: Solve for x
    x = 169,279,884,003.05/590,457.43
  6. Step 6: Final answer
    x = 286,692.78

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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.