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Finding the Fourth Proportional to 590,491.17, 885,877.32 and 191,131.91

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Solution

The fourth proportional to 590,491.17, 885,877.32 and 191,131.91 is: 286,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491.17 : 885,877.32 = 191,131.91 : x
  2. Step 2: Convert to fraction form
    590,491.17/885,877.32 = 191,131.91/x
  3. Step 3: Cross multiply
    590,491.17x = 885,877.32 × 191,131.91
  4. Step 4: Simplify right side
    590,491.17x = 169,319,426,411.98
  5. Step 5: Solve for x
    x = 169,319,426,411.98/590,491.17
  6. Step 6: Final answer
    x = 286,743.37

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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.