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Finding the Fourth Proportional to 599,788.24, 899,829.96 and 422,641.24

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Solution

The fourth proportional to 599,788.24, 899,829.96 and 422,641.24 is: 634,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,788.24 : 899,829.96 = 422,641.24 : x
  2. Step 2: Convert to fraction form
    599,788.24/899,829.96 = 422,641.24/x
  3. Step 3: Cross multiply
    599,788.24x = 899,829.96 × 422,641.24
  4. Step 4: Simplify right side
    599,788.24x = 380,305,250,083.55
  5. Step 5: Solve for x
    x = 380,305,250,083.55/599,788.24
  6. Step 6: Final answer
    x = 634,065.87

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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.