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Finding the Fourth Proportional to 490,035.04, 735,157.26 and 170,196.82

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Solution

The fourth proportional to 490,035.04, 735,157.26 and 170,196.82 is: 255,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,035.04 : 735,157.26 = 170,196.82 : x
  2. Step 2: Convert to fraction form
    490,035.04/735,157.26 = 170,196.82/x
  3. Step 3: Cross multiply
    490,035.04x = 735,157.26 × 170,196.82
  4. Step 4: Simplify right side
    490,035.04x = 125,121,427,851.91
  5. Step 5: Solve for x
    x = 125,121,427,851.91/490,035.04
  6. Step 6: Final answer
    x = 255,331.59

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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.