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Finding the Fourth Proportional to 359,025.12, 495,452.21 and 197,880.27

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Solution

The fourth proportional to 359,025.12, 495,452.21 and 197,880.27 is: 273,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,025.12 : 495,452.21 = 197,880.27 : x
  2. Step 2: Convert to fraction form
    359,025.12/495,452.21 = 197,880.27/x
  3. Step 3: Cross multiply
    359,025.12x = 495,452.21 × 197,880.27
  4. Step 4: Simplify right side
    359,025.12x = 98,040,216,097.50
  5. Step 5: Solve for x
    x = 98,040,216,097.50/359,025.12
  6. Step 6: Final answer
    x = 273,073.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.