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Finding the Fourth Proportional to 590,535.40, 885,932.70 and 191,108.20

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Solution

The fourth proportional to 590,535.40, 885,932.70 and 191,108.20 is: 286,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,535.40 : 885,932.70 = 191,108.20 : x
  2. Step 2: Convert to fraction form
    590,535.40/885,932.70 = 191,108.20/x
  3. Step 3: Cross multiply
    590,535.40x = 885,932.70 × 191,108.20
  4. Step 4: Simplify right side
    590,535.40x = 169,309,003,618.14
  5. Step 5: Solve for x
    x = 169,309,003,618.14/590,535.40
  6. Step 6: Final answer
    x = 286,704.24

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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.