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Finding the Fourth Proportional to 437,506.36, 655,520.79 and 268,674.82

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Solution

The fourth proportional to 437,506.36, 655,520.79 and 268,674.82 is: 402,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,506.36 : 655,520.79 = 268,674.82 : x
  2. Step 2: Convert to fraction form
    437,506.36/655,520.79 = 268,674.82/x
  3. Step 3: Cross multiply
    437,506.36x = 655,520.79 × 268,674.82
  4. Step 4: Simplify right side
    437,506.36x = 176,121,930,259.51
  5. Step 5: Solve for x
    x = 176,121,930,259.51/437,506.36
  6. Step 6: Final answer
    x = 402,558.56

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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.