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Finding the Fourth Proportional to 460,640.93, 635,658.23 and 253,868.28

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Solution

The fourth proportional to 460,640.93, 635,658.23 and 253,868.28 is: 350,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,640.93 : 635,658.23 = 253,868.28 : x
  2. Step 2: Convert to fraction form
    460,640.93/635,658.23 = 253,868.28/x
  3. Step 3: Cross multiply
    460,640.93x = 635,658.23 × 253,868.28
  4. Step 4: Simplify right side
    460,640.93x = 161,373,459,768.90
  5. Step 5: Solve for x
    x = 161,373,459,768.90/460,640.93
  6. Step 6: Final answer
    x = 350,323.76

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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.