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Finding the Fourth Proportional to 360,279.36, 540,127.26 and 150,074.64

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Solution

The fourth proportional to 360,279.36, 540,127.26 and 150,074.64 is: 224,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,279.36 : 540,127.26 = 150,074.64 : x
  2. Step 2: Convert to fraction form
    360,279.36/540,127.26 = 150,074.64/x
  3. Step 3: Cross multiply
    360,279.36x = 540,127.26 × 150,074.64
  4. Step 4: Simplify right side
    360,279.36x = 81,059,404,098.69
  5. Step 5: Solve for x
    x = 81,059,404,098.69/360,279.36
  6. Step 6: Final answer
    x = 224,990.42

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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.