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Finding the Fourth Proportional to 261,720.70, 392,581.05 and 244,224.70

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Solution

The fourth proportional to 261,720.70, 392,581.05 and 244,224.70 is: 366,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,720.70 : 392,581.05 = 244,224.70 : x
  2. Step 2: Convert to fraction form
    261,720.70/392,581.05 = 244,224.70/x
  3. Step 3: Cross multiply
    261,720.70x = 392,581.05 × 244,224.70
  4. Step 4: Simplify right side
    261,720.70x = 95,877,989,161.94
  5. Step 5: Solve for x
    x = 95,877,989,161.94/261,720.70
  6. Step 6: Final answer
    x = 366,337.05

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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.