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Finding the Fourth Proportional to 296,993.35, 445,870.19 and 255,141.19

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Solution

The fourth proportional to 296,993.35, 445,870.19 and 255,141.19 is: 383,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,993.35 : 445,870.19 = 255,141.19 : x
  2. Step 2: Convert to fraction form
    296,993.35/445,870.19 = 255,141.19/x
  3. Step 3: Cross multiply
    296,993.35x = 445,870.19 × 255,141.19
  4. Step 4: Simplify right side
    296,993.35x = 113,759,850,862.13
  5. Step 5: Solve for x
    x = 113,759,850,862.13/296,993.35
  6. Step 6: Final answer
    x = 383,038.38

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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.