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Finding the Fourth Proportional to 541,287.66, 746,971.47 and 299,570.70

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Solution

The fourth proportional to 541,287.66, 746,971.47 and 299,570.70 is: 413,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,287.66 : 746,971.47 = 299,570.70 : x
  2. Step 2: Convert to fraction form
    541,287.66/746,971.47 = 299,570.70/x
  3. Step 3: Cross multiply
    541,287.66x = 746,971.47 × 299,570.70
  4. Step 4: Simplify right side
    541,287.66x = 223,770,766,147.93
  5. Step 5: Solve for x
    x = 223,770,766,147.93/541,287.66
  6. Step 6: Final answer
    x = 413,404.52

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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.