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Finding the Fourth Proportional to 437,146.93, 655,690.29 and 268,693.27

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Solution

The fourth proportional to 437,146.93, 655,690.29 and 268,693.27 is: 403,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,146.93 : 655,690.29 = 268,693.27 : x
  2. Step 2: Convert to fraction form
    437,146.93/655,690.29 = 268,693.27/x
  3. Step 3: Cross multiply
    437,146.93x = 655,690.29 × 268,693.27
  4. Step 4: Simplify right side
    437,146.93x = 176,179,568,127.35
  5. Step 5: Solve for x
    x = 176,179,568,127.35/437,146.93
  6. Step 6: Final answer
    x = 403,021.40

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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.