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Finding the Fourth Proportional to 297,233.40, 445,907.70 and 149,489.40

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Solution

The fourth proportional to 297,233.40, 445,907.70 and 149,489.40 is: 224,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,233.40 : 445,907.70 = 149,489.40 : x
  2. Step 2: Convert to fraction form
    297,233.40/445,907.70 = 149,489.40/x
  3. Step 3: Cross multiply
    297,233.40x = 445,907.70 × 149,489.40
  4. Step 4: Simplify right side
    297,233.40x = 66,658,474,528.38
  5. Step 5: Solve for x
    x = 66,658,474,528.38/297,233.40
  6. Step 6: Final answer
    x = 224,263.07

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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.