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Finding the Fourth Proportional to 292,268.66, 438,446.72 and 254,557.49

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Solution

The fourth proportional to 292,268.66, 438,446.72 and 254,557.49 is: 381,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,268.66 : 438,446.72 = 254,557.49 : x
  2. Step 2: Convert to fraction form
    292,268.66/438,446.72 = 254,557.49/x
  3. Step 3: Cross multiply
    292,268.66x = 438,446.72 × 254,557.49
  4. Step 4: Simplify right side
    292,268.66x = 111,609,894,986.09
  5. Step 5: Solve for x
    x = 111,609,894,986.09/292,268.66
  6. Step 6: Final answer
    x = 381,874.32

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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.