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Finding the Fourth Proportional to 444,319.60, 613,259.22 and 306,691.60

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Solution

The fourth proportional to 444,319.60, 613,259.22 and 306,691.60 is: 423,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,319.60 : 613,259.22 = 306,691.60 : x
  2. Step 2: Convert to fraction form
    444,319.60/613,259.22 = 306,691.60/x
  3. Step 3: Cross multiply
    444,319.60x = 613,259.22 × 306,691.60
  4. Step 4: Simplify right side
    444,319.60x = 188,081,451,396.55
  5. Step 5: Solve for x
    x = 188,081,451,396.55/444,319.60
  6. Step 6: Final answer
    x = 423,302.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.