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Finding the Fourth Proportional to 377,095.82, 520,361.45 and 222,022.63

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Solution

The fourth proportional to 377,095.82, 520,361.45 and 222,022.63 is: 306,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,095.82 : 520,361.45 = 222,022.63 : x
  2. Step 2: Convert to fraction form
    377,095.82/520,361.45 = 222,022.63/x
  3. Step 3: Cross multiply
    377,095.82x = 520,361.45 × 222,022.63
  4. Step 4: Simplify right side
    377,095.82x = 115,532,018,052.54
  5. Step 5: Solve for x
    x = 115,532,018,052.54/377,095.82
  6. Step 6: Final answer
    x = 306,373.11

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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.