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Finding the Fourth Proportional to 297,144.95, 445,783.02 and 110,156.45

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Solution

The fourth proportional to 297,144.95, 445,783.02 and 110,156.45 is: 165,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,144.95 : 445,783.02 = 110,156.45 : x
  2. Step 2: Convert to fraction form
    297,144.95/445,783.02 = 110,156.45/x
  3. Step 3: Cross multiply
    297,144.95x = 445,783.02 × 110,156.45
  4. Step 4: Simplify right side
    297,144.95x = 49,105,872,724.56
  5. Step 5: Solve for x
    x = 49,105,872,724.56/297,144.95
  6. Step 6: Final answer
    x = 165,258.99

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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.