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Finding the Fourth Proportional to 321,960.99, 482,941.50 and 111,598.92

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Solution

The fourth proportional to 321,960.99, 482,941.50 and 111,598.92 is: 167,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,960.99 : 482,941.50 = 111,598.92 : x
  2. Step 2: Convert to fraction form
    321,960.99/482,941.50 = 111,598.92/x
  3. Step 3: Cross multiply
    321,960.99x = 482,941.50 × 111,598.92
  4. Step 4: Simplify right side
    321,960.99x = 53,895,749,823.18
  5. Step 5: Solve for x
    x = 53,895,749,823.18/321,960.99
  6. Step 6: Final answer
    x = 167,398.39

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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.