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Finding the Fourth Proportional to 477,367.10, 658,605.36 and 270,613.31

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Solution

The fourth proportional to 477,367.10, 658,605.36 and 270,613.31 is: 373,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,367.10 : 658,605.36 = 270,613.31 : x
  2. Step 2: Convert to fraction form
    477,367.10/658,605.36 = 270,613.31/x
  3. Step 3: Cross multiply
    477,367.10x = 658,605.36 × 270,613.31
  4. Step 4: Simplify right side
    477,367.10x = 178,227,376,453.34
  5. Step 5: Solve for x
    x = 178,227,376,453.34/477,367.10
  6. Step 6: Final answer
    x = 373,354.96

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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.