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Finding the Fourth Proportional to 359,272.96, 495,790.14 and 198,142.96

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Solution

The fourth proportional to 359,272.96, 495,790.14 and 198,142.96 is: 273,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,272.96 : 495,790.14 = 198,142.96 : x
  2. Step 2: Convert to fraction form
    359,272.96/495,790.14 = 198,142.96/x
  3. Step 3: Cross multiply
    359,272.96x = 495,790.14 × 198,142.96
  4. Step 4: Simplify right side
    359,272.96x = 98,237,325,878.41
  5. Step 5: Solve for x
    x = 98,237,325,878.41/359,272.96
  6. Step 6: Final answer
    x = 273,433.68

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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.