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Finding the Fourth Proportional to 296,993.60, 445,870.72 and 255,141.44

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Solution

The fourth proportional to 296,993.60, 445,870.72 and 255,141.44 is: 383,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,993.60 : 445,870.72 = 255,141.44 : x
  2. Step 2: Convert to fraction form
    296,993.60/445,870.72 = 255,141.44/x
  3. Step 3: Cross multiply
    296,993.60x = 445,870.72 × 255,141.44
  4. Step 4: Simplify right side
    296,993.60x = 113,760,097,554.64
  5. Step 5: Solve for x
    x = 113,760,097,554.64/296,993.60
  6. Step 6: Final answer
    x = 383,038.89

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1.5x scale

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.