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Finding the Fourth Proportional to 600,189.18, 899,284.22 and 422,322.51

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Solution

The fourth proportional to 600,189.18, 899,284.22 and 422,322.51 is: 632,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,189.18 : 899,284.22 = 422,322.51 : x
  2. Step 2: Convert to fraction form
    600,189.18/899,284.22 = 422,322.51/x
  3. Step 3: Cross multiply
    600,189.18x = 899,284.22 × 422,322.51
  4. Step 4: Simplify right side
    600,189.18x = 379,787,969,155.30
  5. Step 5: Solve for x
    x = 379,787,969,155.30/600,189.18
  6. Step 6: Final answer
    x = 632,780.44

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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.