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Finding the Fourth Proportional to 359,256.20, 538,884.30 and 264,777.80

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Solution

The fourth proportional to 359,256.20, 538,884.30 and 264,777.80 is: 397,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,256.20 : 538,884.30 = 264,777.80 : x
  2. Step 2: Convert to fraction form
    359,256.20/538,884.30 = 264,777.80/x
  3. Step 3: Cross multiply
    359,256.20x = 538,884.30 × 264,777.80
  4. Step 4: Simplify right side
    359,256.20x = 142,684,599,408.54
  5. Step 5: Solve for x
    x = 142,684,599,408.54/359,256.20
  6. Step 6: Final answer
    x = 397,166.70

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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.