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Finding the Fourth Proportional to 403,600.20, 605,400.30 and 167,404.20

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Solution

The fourth proportional to 403,600.20, 605,400.30 and 167,404.20 is: 251,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,600.20 : 605,400.30 = 167,404.20 : x
  2. Step 2: Convert to fraction form
    403,600.20/605,400.30 = 167,404.20/x
  3. Step 3: Cross multiply
    403,600.20x = 605,400.30 × 167,404.20
  4. Step 4: Simplify right side
    403,600.20x = 101,346,552,901.26
  5. Step 5: Solve for x
    x = 101,346,552,901.26/403,600.20
  6. Step 6: Final answer
    x = 251,106.30

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1.5x scale

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.