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Finding the Fourth Proportional to 323,208.84, 484,813.44 and 154,689.56

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Solution

The fourth proportional to 323,208.84, 484,813.44 and 154,689.56 is: 232,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,208.84 : 484,813.44 = 154,689.56 : x
  2. Step 2: Convert to fraction form
    323,208.84/484,813.44 = 154,689.56/x
  3. Step 3: Cross multiply
    323,208.84x = 484,813.44 × 154,689.56
  4. Step 4: Simplify right side
    323,208.84x = 74,995,577,715.69
  5. Step 5: Solve for x
    x = 74,995,577,715.69/323,208.84
  6. Step 6: Final answer
    x = 232,034.43

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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.