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Finding the Fourth Proportional to 590,295.88, 885,136.38 and 211,070.44

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Solution

The fourth proportional to 590,295.88, 885,136.38 and 211,070.44 is: 316,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,295.88 : 885,136.38 = 211,070.44 : x
  2. Step 2: Convert to fraction form
    590,295.88/885,136.38 = 211,070.44/x
  3. Step 3: Cross multiply
    590,295.88x = 885,136.38 × 211,070.44
  4. Step 4: Simplify right side
    590,295.88x = 186,826,125,186.61
  5. Step 5: Solve for x
    x = 186,826,125,186.61/590,295.88
  6. Step 6: Final answer
    x = 316,495.73

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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.