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Finding the Fourth Proportional to 481,040.16, 721,809.11 and 349,010.16

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Solution

The fourth proportional to 481,040.16, 721,809.11 and 349,010.16 is: 523,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.16 : 721,809.11 = 349,010.16 : x
  2. Step 2: Convert to fraction form
    481,040.16/721,809.11 = 349,010.16/x
  3. Step 3: Cross multiply
    481,040.16x = 721,809.11 × 349,010.16
  4. Step 4: Simplify right side
    481,040.16x = 251,918,713,843.08
  5. Step 5: Solve for x
    x = 251,918,713,843.08/481,040.16
  6. Step 6: Final answer
    x = 523,695.81

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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.