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Finding the Fourth Proportional to 372,673.67, 514,292.06 and 211,531.43

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Solution

The fourth proportional to 372,673.67, 514,292.06 and 211,531.43 is: 291,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,673.67 : 514,292.06 = 211,531.43 : x
  2. Step 2: Convert to fraction form
    372,673.67/514,292.06 = 211,531.43/x
  3. Step 3: Cross multiply
    372,673.67x = 514,292.06 × 211,531.43
  4. Step 4: Simplify right side
    372,673.67x = 108,788,936,704.01
  5. Step 5: Solve for x
    x = 108,788,936,704.01/372,673.67
  6. Step 6: Final answer
    x = 291,914.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.