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Finding the Fourth Proportional to 359,351.90, 495,450.30 and 236,825.22

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Solution

The fourth proportional to 359,351.90, 495,450.30 and 236,825.22 is: 326,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,351.90 : 495,450.30 = 236,825.22 : x
  2. Step 2: Convert to fraction form
    359,351.90/495,450.30 = 236,825.22/x
  3. Step 3: Cross multiply
    359,351.90x = 495,450.30 × 236,825.22
  4. Step 4: Simplify right side
    359,351.90x = 117,335,126,296.57
  5. Step 5: Solve for x
    x = 117,335,126,296.57/359,351.90
  6. Step 6: Final answer
    x = 326,518.73

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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.