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Finding the Fourth Proportional to 477,372.82, 658,779.34 and 262,514.48

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Solution

The fourth proportional to 477,372.82, 658,779.34 and 262,514.48 is: 362,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,372.82 : 658,779.34 = 262,514.48 : x
  2. Step 2: Convert to fraction form
    477,372.82/658,779.34 = 262,514.48/x
  3. Step 3: Cross multiply
    477,372.82x = 658,779.34 × 262,514.48
  4. Step 4: Simplify right side
    477,372.82x = 172,939,115,874.84
  5. Step 5: Solve for x
    x = 172,939,115,874.84/477,372.82
  6. Step 6: Final answer
    x = 362,272.65

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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.