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Finding the Fourth Proportional to 599,613.70, 899,708.55 and 400,029.70

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Solution

The fourth proportional to 599,613.70, 899,708.55 and 400,029.70 is: 600,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,613.70 : 899,708.55 = 400,029.70 : x
  2. Step 2: Convert to fraction form
    599,613.70/899,708.55 = 400,029.70/x
  3. Step 3: Cross multiply
    599,613.70x = 899,708.55 × 400,029.70
  4. Step 4: Simplify right side
    599,613.70x = 359,910,141,343.94
  5. Step 5: Solve for x
    x = 359,910,141,343.94/599,613.70
  6. Step 6: Final answer
    x = 600,236.69

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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.