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Finding the Fourth Proportional to 297,214.40, 445,821.60 and 195,737.60

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Solution

The fourth proportional to 297,214.40, 445,821.60 and 195,737.60 is: 293,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,214.40 : 445,821.60 = 195,737.60 : x
  2. Step 2: Convert to fraction form
    297,214.40/445,821.60 = 195,737.60/x
  3. Step 3: Cross multiply
    297,214.40x = 445,821.60 × 195,737.60
  4. Step 4: Simplify right side
    297,214.40x = 87,264,050,012.16
  5. Step 5: Solve for x
    x = 87,264,050,012.16/297,214.40
  6. Step 6: Final answer
    x = 293,606.40

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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.