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Finding the Fourth Proportional to 599,746.56, 828,270 and 518,785.44

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Solution

The fourth proportional to 599,746.56, 828,270 and 518,785.44 is: 716,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,746.56 : 828,270 = 518,785.44 : x
  2. Step 2: Convert to fraction form
    599,746.56/828,270 = 518,785.44/x
  3. Step 3: Cross multiply
    599,746.56x = 828,270 × 518,785.44
  4. Step 4: Simplify right side
    599,746.56x = 429,694,416,388.80
  5. Step 5: Solve for x
    x = 429,694,416,388.80/599,746.56
  6. Step 6: Final answer
    x = 716,459.99

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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.