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Finding the Fourth Proportional to 614,457.82, 921,686.73 and 193,776.22

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Solution

The fourth proportional to 614,457.82, 921,686.73 and 193,776.22 is: 290,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,457.82 : 921,686.73 = 193,776.22 : x
  2. Step 2: Convert to fraction form
    614,457.82/921,686.73 = 193,776.22/x
  3. Step 3: Cross multiply
    614,457.82x = 921,686.73 × 193,776.22
  4. Step 4: Simplify right side
    614,457.82x = 178,600,970,563.56
  5. Step 5: Solve for x
    x = 178,600,970,563.56/614,457.82
  6. Step 6: Final answer
    x = 290,664.33

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Similar ratio
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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.