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Finding the Fourth Proportional to 397,268.70, 595,903.05 and 255,551.10

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Solution

The fourth proportional to 397,268.70, 595,903.05 and 255,551.10 is: 383,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,268.70 : 595,903.05 = 255,551.10 : x
  2. Step 2: Convert to fraction form
    397,268.70/595,903.05 = 255,551.10/x
  3. Step 3: Cross multiply
    397,268.70x = 595,903.05 × 255,551.10
  4. Step 4: Simplify right side
    397,268.70x = 152,283,679,920.86
  5. Step 5: Solve for x
    x = 152,283,679,920.86/397,268.70
  6. Step 6: Final answer
    x = 383,326.65

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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.