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Finding the Fourth Proportional to 359,626.80, 538,403.40 and 241,431.60

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Solution

The fourth proportional to 359,626.80, 538,403.40 and 241,431.60 is: 361,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,626.80 : 538,403.40 = 241,431.60 : x
  2. Step 2: Convert to fraction form
    359,626.80/538,403.40 = 241,431.60/x
  3. Step 3: Cross multiply
    359,626.80x = 538,403.40 × 241,431.60
  4. Step 4: Simplify right side
    359,626.80x = 129,987,594,307.44
  5. Step 5: Solve for x
    x = 129,987,594,307.44/359,626.80
  6. Step 6: Final answer
    x = 361,451.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.