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Finding the Fourth Proportional to 293,777.09, 405,263.17 and 191,862.21

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Solution

The fourth proportional to 293,777.09, 405,263.17 and 191,862.21 is: 264,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,777.09 : 405,263.17 = 191,862.21 : x
  2. Step 2: Convert to fraction form
    293,777.09/405,263.17 = 191,862.21/x
  3. Step 3: Cross multiply
    293,777.09x = 405,263.17 × 191,862.21
  4. Step 4: Simplify right side
    293,777.09x = 77,754,685,161.66
  5. Step 5: Solve for x
    x = 77,754,685,161.66/293,777.09
  6. Step 6: Final answer
    x = 264,672.39

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1.5x scale

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.