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Finding the Fourth Proportional to 275,706.92, 380,477.06 and 154,848.22

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Solution

The fourth proportional to 275,706.92, 380,477.06 and 154,848.22 is: 213,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,706.92 : 380,477.06 = 154,848.22 : x
  2. Step 2: Convert to fraction form
    275,706.92/380,477.06 = 154,848.22/x
  3. Step 3: Cross multiply
    275,706.92x = 380,477.06 × 154,848.22
  4. Step 4: Simplify right side
    275,706.92x = 58,916,194,927.76
  5. Step 5: Solve for x
    x = 58,916,194,927.76/275,706.92
  6. Step 6: Final answer
    x = 213,691.39

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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.