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Finding the Fourth Proportional to 359,245.72, 495,771.07 and 195,911.16

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Solution

The fourth proportional to 359,245.72, 495,771.07 and 195,911.16 is: 270,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,245.72 : 495,771.07 = 195,911.16 : x
  2. Step 2: Convert to fraction form
    359,245.72/495,771.07 = 195,911.16/x
  3. Step 3: Cross multiply
    359,245.72x = 495,771.07 × 195,911.16
  4. Step 4: Simplify right side
    359,245.72x = 97,127,085,418.14
  5. Step 5: Solve for x
    x = 97,127,085,418.14/359,245.72
  6. Step 6: Final answer
    x = 270,363.93

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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.