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Finding the Fourth Proportional to 253,604.68, 380,264.51 and 173,732.71

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Solution

The fourth proportional to 253,604.68, 380,264.51 and 173,732.71 is: 260,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,604.68 : 380,264.51 = 173,732.71 : x
  2. Step 2: Convert to fraction form
    253,604.68/380,264.51 = 173,732.71/x
  3. Step 3: Cross multiply
    253,604.68x = 380,264.51 × 173,732.71
  4. Step 4: Simplify right side
    253,604.68x = 66,064,381,720.63
  5. Step 5: Solve for x
    x = 66,064,381,720.63/253,604.68
  6. Step 6: Final answer
    x = 260,501.43

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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.