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Finding the Fourth Proportional to 348,178.84, 480,450.63 and 204,930.34

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Solution

The fourth proportional to 348,178.84, 480,450.63 and 204,930.34 is: 282,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,178.84 : 480,450.63 = 204,930.34 : x
  2. Step 2: Convert to fraction form
    348,178.84/480,450.63 = 204,930.34/x
  3. Step 3: Cross multiply
    348,178.84x = 480,450.63 × 204,930.34
  4. Step 4: Simplify right side
    348,178.84x = 98,458,910,959.11
  5. Step 5: Solve for x
    x = 98,458,910,959.11/348,178.84
  6. Step 6: Final answer
    x = 282,782.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.