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Finding the Fourth Proportional to 477,291.44, 658,679.10 and 262,447.94

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Solution

The fourth proportional to 477,291.44, 658,679.10 and 262,447.94 is: 362,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,291.44 : 658,679.10 = 262,447.94 : x
  2. Step 2: Convert to fraction form
    477,291.44/658,679.10 = 262,447.94/x
  3. Step 3: Cross multiply
    477,291.44x = 658,679.10 × 262,447.94
  4. Step 4: Simplify right side
    477,291.44x = 172,868,972,916.05
  5. Step 5: Solve for x
    x = 172,868,972,916.05/477,291.44
  6. Step 6: Final answer
    x = 362,187.46

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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.