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Finding the Fourth Proportional to 283,395.38, 424,626.50 and 198,014.90

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Solution

The fourth proportional to 283,395.38, 424,626.50 and 198,014.90 is: 296,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,395.38 : 424,626.50 = 198,014.90 : x
  2. Step 2: Convert to fraction form
    283,395.38/424,626.50 = 198,014.90/x
  3. Step 3: Cross multiply
    283,395.38x = 424,626.50 × 198,014.90
  4. Step 4: Simplify right side
    283,395.38x = 84,082,373,934.85
  5. Step 5: Solve for x
    x = 84,082,373,934.85/283,395.38
  6. Step 6: Final answer
    x = 296,696.35

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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.