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Finding the Fourth Proportional to 359,025.36, 495,448.40 and 195,683.28

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Solution

The fourth proportional to 359,025.36, 495,448.40 and 195,683.28 is: 270,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,025.36 : 495,448.40 = 195,683.28 : x
  2. Step 2: Convert to fraction form
    359,025.36/495,448.40 = 195,683.28/x
  3. Step 3: Cross multiply
    359,025.36x = 495,448.40 × 195,683.28
  4. Step 4: Simplify right side
    359,025.36x = 96,950,967,982.75
  5. Step 5: Solve for x
    x = 96,950,967,982.75/359,025.36
  6. Step 6: Final answer
    x = 270,039.33

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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.