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Finding the Fourth Proportional to 296,390.42, 444,586.77 and 71,750.49

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Solution

The fourth proportional to 296,390.42, 444,586.77 and 71,750.49 is: 107,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,390.42 : 444,586.77 = 71,750.49 : x
  2. Step 2: Convert to fraction form
    296,390.42/444,586.77 = 71,750.49/x
  3. Step 3: Cross multiply
    296,390.42x = 444,586.77 × 71,750.49
  4. Step 4: Simplify right side
    296,390.42x = 31,899,319,226.82
  5. Step 5: Solve for x
    x = 31,899,319,226.82/296,390.42
  6. Step 6: Final answer
    x = 107,626.01

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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.