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Finding the Fourth Proportional to 297,737.40, 446,735.70 and 149,993.40

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Solution

The fourth proportional to 297,737.40, 446,735.70 and 149,993.40 is: 225,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,737.40 : 446,735.70 = 149,993.40 : x
  2. Step 2: Convert to fraction form
    297,737.40/446,735.70 = 149,993.40/x
  3. Step 3: Cross multiply
    297,737.40x = 446,735.70 × 149,993.40
  4. Step 4: Simplify right side
    297,737.40x = 67,007,406,544.38
  5. Step 5: Solve for x
    x = 67,007,406,544.38/297,737.40
  6. Step 6: Final answer
    x = 225,055.39

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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.