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Finding the Fourth Proportional to 468,608.11, 646,682.29 and 253,748.17

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Solution

The fourth proportional to 468,608.11, 646,682.29 and 253,748.17 is: 350,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,608.11 : 646,682.29 = 253,748.17 : x
  2. Step 2: Convert to fraction form
    468,608.11/646,682.29 = 253,748.17/x
  3. Step 3: Cross multiply
    468,608.11x = 646,682.29 × 253,748.17
  4. Step 4: Simplify right side
    468,608.11x = 164,094,444,425.50
  5. Step 5: Solve for x
    x = 164,094,444,425.50/468,608.11
  6. Step 6: Final answer
    x = 350,174.15

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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.