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Finding the Fourth Proportional to 477,372.38, 658,778.64 and 262,513.94

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Solution

The fourth proportional to 477,372.38, 658,778.64 and 262,513.94 is: 362,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,372.38 : 658,778.64 = 262,513.94 : x
  2. Step 2: Convert to fraction form
    477,372.38/658,778.64 = 262,513.94/x
  3. Step 3: Cross multiply
    477,372.38x = 658,778.64 × 262,513.94
  4. Step 4: Simplify right side
    477,372.38x = 172,938,576,374.24
  5. Step 5: Solve for x
    x = 172,938,576,374.24/477,372.38
  6. Step 6: Final answer
    x = 362,271.85

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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.