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Finding the Fourth Proportional to 293,406.17, 440,111.07 and 103,825.26

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Solution

The fourth proportional to 293,406.17, 440,111.07 and 103,825.26 is: 155,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,406.17 : 440,111.07 = 103,825.26 : x
  2. Step 2: Convert to fraction form
    293,406.17/440,111.07 = 103,825.26/x
  3. Step 3: Cross multiply
    293,406.17x = 440,111.07 × 103,825.26
  4. Step 4: Simplify right side
    293,406.17x = 45,694,646,271.63
  5. Step 5: Solve for x
    x = 45,694,646,271.63/293,406.17
  6. Step 6: Final answer
    x = 155,738.53

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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.