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Finding the Fourth Proportional to 468,593.70, 646,658.40 and 253,734.40

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Solution

The fourth proportional to 468,593.70, 646,658.40 and 253,734.40 is: 350,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,593.70 : 646,658.40 = 253,734.40 : x
  2. Step 2: Convert to fraction form
    468,593.70/646,658.40 = 253,734.40/x
  3. Step 3: Cross multiply
    468,593.70x = 646,658.40 × 253,734.40
  4. Step 4: Simplify right side
    468,593.70x = 164,079,481,128.96
  5. Step 5: Solve for x
    x = 164,079,481,128.96/468,593.70
  6. Step 6: Final answer
    x = 350,152.98

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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.