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Finding the Fourth Proportional to 325,966, 449,834.70 and 190,094.17

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Solution

The fourth proportional to 325,966, 449,834.70 and 190,094.17 is: 262,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,966 : 449,834.70 = 190,094.17 : x
  2. Step 2: Convert to fraction form
    325,966/449,834.70 = 190,094.17/x
  3. Step 3: Cross multiply
    325,966x = 449,834.70 × 190,094.17
  4. Step 4: Simplify right side
    325,966x = 85,510,953,933.70
  5. Step 5: Solve for x
    x = 85,510,953,933.70/325,966
  6. Step 6: Final answer
    x = 262,330.90

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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.