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Finding the Fourth Proportional to 359,099.36, 495,550.91 and 197,969.40

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Solution

The fourth proportional to 359,099.36, 495,550.91 and 197,969.40 is: 273,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,099.36 : 495,550.91 = 197,969.40 : x
  2. Step 2: Convert to fraction form
    359,099.36/495,550.91 = 197,969.40/x
  3. Step 3: Cross multiply
    359,099.36x = 495,550.91 × 197,969.40
  4. Step 4: Simplify right side
    359,099.36x = 98,103,916,817.08
  5. Step 5: Solve for x
    x = 98,103,916,817.08/359,099.36
  6. Step 6: Final answer
    x = 273,194.35

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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.