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Finding the Fourth Proportional to 373,379.60, 513,789 and 337,610

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Solution

The fourth proportional to 373,379.60, 513,789 and 337,610 is: 464,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,379.60 : 513,789 = 337,610 : x
  2. Step 2: Convert to fraction form
    373,379.60/513,789 = 337,610/x
  3. Step 3: Cross multiply
    373,379.60x = 513,789 × 337,610
  4. Step 4: Simplify right side
    373,379.60x = 173,460,304,290
  5. Step 5: Solve for x
    x = 173,460,304,290/373,379.60
  6. Step 6: Final answer
    x = 464,568.24

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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.