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Finding the Fourth Proportional to 357,723.36, 536,601.34 and 253,009.80

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Solution

The fourth proportional to 357,723.36, 536,601.34 and 253,009.80 is: 379,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,723.36 : 536,601.34 = 253,009.80 : x
  2. Step 2: Convert to fraction form
    357,723.36/536,601.34 = 253,009.80/x
  3. Step 3: Cross multiply
    357,723.36x = 536,601.34 × 253,009.80
  4. Step 4: Simplify right side
    357,723.36x = 135,765,397,713.13
  5. Step 5: Solve for x
    x = 135,765,397,713.13/357,723.36
  6. Step 6: Final answer
    x = 379,526.23

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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.