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Finding the Fourth Proportional to 296,758.85, 445,200.57 and 97,063.65

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Solution

The fourth proportional to 296,758.85, 445,200.57 and 97,063.65 is: 145,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,758.85 : 445,200.57 = 97,063.65 : x
  2. Step 2: Convert to fraction form
    296,758.85/445,200.57 = 97,063.65/x
  3. Step 3: Cross multiply
    296,758.85x = 445,200.57 × 97,063.65
  4. Step 4: Simplify right side
    296,758.85x = 43,212,793,774.98
  5. Step 5: Solve for x
    x = 43,212,793,774.98/296,758.85
  6. Step 6: Final answer
    x = 145,615.85

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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.