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Finding the Fourth Proportional to 293,463, 440,344.63 and 139,763.00

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Solution

The fourth proportional to 293,463, 440,344.63 and 139,763.00 is: 209,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,463 : 440,344.63 = 139,763.00 : x
  2. Step 2: Convert to fraction form
    293,463/440,344.63 = 139,763.00/x
  3. Step 3: Cross multiply
    293,463x = 440,344.63 × 139,763.00
  4. Step 4: Simplify right side
    293,463x = 61,543,887,274.14
  5. Step 5: Solve for x
    x = 61,543,887,274.14/293,463
  6. Step 6: Final answer
    x = 209,716.00

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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.