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Finding the Fourth Proportional to 323,069.68, 484,604.64 and 145,369.12

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Solution

The fourth proportional to 323,069.68, 484,604.64 and 145,369.12 is: 218,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,069.68 : 484,604.64 = 145,369.12 : x
  2. Step 2: Convert to fraction form
    323,069.68/484,604.64 = 145,369.12/x
  3. Step 3: Cross multiply
    323,069.68x = 484,604.64 × 145,369.12
  4. Step 4: Simplify right side
    323,069.68x = 70,446,550,064.72
  5. Step 5: Solve for x
    x = 70,446,550,064.72/323,069.68
  6. Step 6: Final answer
    x = 218,053.73

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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.