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Finding the Fourth Proportional to 448,851.86, 673,277.70 and 192,628.85

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Solution

The fourth proportional to 448,851.86, 673,277.70 and 192,628.85 is: 288,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,851.86 : 673,277.70 = 192,628.85 : x
  2. Step 2: Convert to fraction form
    448,851.86/673,277.70 = 192,628.85/x
  3. Step 3: Cross multiply
    448,851.86x = 673,277.70 × 192,628.85
  4. Step 4: Simplify right side
    448,851.86x = 129,692,709,081.65
  5. Step 5: Solve for x
    x = 129,692,709,081.65/448,851.86
  6. Step 6: Final answer
    x = 288,943.24

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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.