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Finding the Fourth Proportional to 599,786.62, 899,820.60 and 410,336.18

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Solution

The fourth proportional to 599,786.62, 899,820.60 and 410,336.18 is: 615,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,786.62 : 899,820.60 = 410,336.18 : x
  2. Step 2: Convert to fraction form
    599,786.62/899,820.60 = 410,336.18/x
  3. Step 3: Cross multiply
    599,786.62x = 899,820.60 × 410,336.18
  4. Step 4: Simplify right side
    599,786.62x = 369,228,945,025.77
  5. Step 5: Solve for x
    x = 369,228,945,025.77/599,786.62
  6. Step 6: Final answer
    x = 615,600.50

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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.