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Finding the Fourth Proportional to 359,244.40, 538,866.60 and 270,014.80

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Solution

The fourth proportional to 359,244.40, 538,866.60 and 270,014.80 is: 405,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.40 : 538,866.60 = 270,014.80 : x
  2. Step 2: Convert to fraction form
    359,244.40/538,866.60 = 270,014.80/x
  3. Step 3: Cross multiply
    359,244.40x = 538,866.60 × 270,014.80
  4. Step 4: Simplify right side
    359,244.40x = 145,501,957,225.68
  5. Step 5: Solve for x
    x = 145,501,957,225.68/359,244.40
  6. Step 6: Final answer
    x = 405,022.20

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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.