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Finding the Fourth Proportional to 337,811.49, 506,717.23 and 274,555.25

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Solution

The fourth proportional to 337,811.49, 506,717.23 and 274,555.25 is: 411,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,811.49 : 506,717.23 = 274,555.25 : x
  2. Step 2: Convert to fraction form
    337,811.49/506,717.23 = 274,555.25/x
  3. Step 3: Cross multiply
    337,811.49x = 506,717.23 × 274,555.25
  4. Step 4: Simplify right side
    337,811.49x = 139,121,875,761.96
  5. Step 5: Solve for x
    x = 139,121,875,761.96/337,811.49
  6. Step 6: Final answer
    x = 411,832.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.