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Finding the Fourth Proportional to 635,786.11, 953,679.62 and 162,471.93

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Solution

The fourth proportional to 635,786.11, 953,679.62 and 162,471.93 is: 243,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,786.11 : 953,679.62 = 162,471.93 : x
  2. Step 2: Convert to fraction form
    635,786.11/953,679.62 = 162,471.93/x
  3. Step 3: Cross multiply
    635,786.11x = 953,679.62 × 162,471.93
  4. Step 4: Simplify right side
    635,786.11x = 154,946,165,292.95
  5. Step 5: Solve for x
    x = 154,946,165,292.95/635,786.11
  6. Step 6: Final answer
    x = 243,708.01

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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.