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Finding the Fourth Proportional to 512,335.02, 707,172.48 and 297,571.62

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Solution

The fourth proportional to 512,335.02, 707,172.48 and 297,571.62 is: 410,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,335.02 : 707,172.48 = 297,571.62 : x
  2. Step 2: Convert to fraction form
    512,335.02/707,172.48 = 297,571.62/x
  3. Step 3: Cross multiply
    512,335.02x = 707,172.48 × 297,571.62
  4. Step 4: Simplify right side
    512,335.02x = 210,434,460,493.02
  5. Step 5: Solve for x
    x = 210,434,460,493.02/512,335.02
  6. Step 6: Final answer
    x = 410,736.05

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1.5x scale

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.