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Finding the Fourth Proportional to 423,573.19, 635,360.01 and 265,912.36

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Solution

The fourth proportional to 423,573.19, 635,360.01 and 265,912.36 is: 398,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,573.19 : 635,360.01 = 265,912.36 : x
  2. Step 2: Convert to fraction form
    423,573.19/635,360.01 = 265,912.36/x
  3. Step 3: Cross multiply
    423,573.19x = 635,360.01 × 265,912.36
  4. Step 4: Simplify right side
    423,573.19x = 168,950,079,708.72
  5. Step 5: Solve for x
    x = 168,950,079,708.72/423,573.19
  6. Step 6: Final answer
    x = 398,868.68

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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.