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Finding the Fourth Proportional to 532,131.40, 798,197.10 and 505,887.40

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Solution

The fourth proportional to 532,131.40, 798,197.10 and 505,887.40 is: 758,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,131.40 : 798,197.10 = 505,887.40 : x
  2. Step 2: Convert to fraction form
    532,131.40/798,197.10 = 505,887.40/x
  3. Step 3: Cross multiply
    532,131.40x = 798,197.10 × 505,887.40
  4. Step 4: Simplify right side
    532,131.40x = 403,797,855,606.54
  5. Step 5: Solve for x
    x = 403,797,855,606.54/532,131.40
  6. Step 6: Final answer
    x = 758,831.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.