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Finding the Fourth Proportional to 296,448.75, 444,674.25 and 71,808.75

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Solution

The fourth proportional to 296,448.75, 444,674.25 and 71,808.75 is: 107,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,448.75 : 444,674.25 = 71,808.75 : x
  2. Step 2: Convert to fraction form
    296,448.75/444,674.25 = 71,808.75/x
  3. Step 3: Cross multiply
    296,448.75x = 444,674.25 × 71,808.75
  4. Step 4: Simplify right side
    296,448.75x = 31,931,502,049.69
  5. Step 5: Solve for x
    x = 31,931,502,049.69/296,448.75
  6. Step 6: Final answer
    x = 107,713.40

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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.