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Finding the Fourth Proportional to 490,350, 735,525.04 and 157,926

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Solution

The fourth proportional to 490,350, 735,525.04 and 157,926 is: 236,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,350 : 735,525.04 = 157,926 : x
  2. Step 2: Convert to fraction form
    490,350/735,525.04 = 157,926/x
  3. Step 3: Cross multiply
    490,350x = 735,525.04 × 157,926
  4. Step 4: Simplify right side
    490,350x = 116,158,527,467.04
  5. Step 5: Solve for x
    x = 116,158,527,467.04/490,350
  6. Step 6: Final answer
    x = 236,889.01

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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.