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Finding the Fourth Proportional to 659,395.22, 910,014.27 and 369,035.88

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Solution

The fourth proportional to 659,395.22, 910,014.27 and 369,035.88 is: 509,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,395.22 : 910,014.27 = 369,035.88 : x
  2. Step 2: Convert to fraction form
    659,395.22/910,014.27 = 369,035.88/x
  3. Step 3: Cross multiply
    659,395.22x = 910,014.27 × 369,035.88
  4. Step 4: Simplify right side
    659,395.22x = 335,827,916,942.01
  5. Step 5: Solve for x
    x = 335,827,916,942.01/659,395.22
  6. Step 6: Final answer
    x = 509,296.87

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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.