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Finding the Fourth Proportional to 590,491.92, 885,878.45 and 191,132.66

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Solution

The fourth proportional to 590,491.92, 885,878.45 and 191,132.66 is: 286,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491.92 : 885,878.45 = 191,132.66 : x
  2. Step 2: Convert to fraction form
    590,491.92/885,878.45 = 191,132.66/x
  3. Step 3: Cross multiply
    590,491.92x = 885,878.45 × 191,132.66
  4. Step 4: Simplify right side
    590,491.92x = 169,320,305,844.21
  5. Step 5: Solve for x
    x = 169,320,305,844.21/590,491.92
  6. Step 6: Final answer
    x = 286,744.49

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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.