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Finding the Fourth Proportional to 446,219.28, 615,782.55 and 245,015.28

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Solution

The fourth proportional to 446,219.28, 615,782.55 and 245,015.28 is: 338,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,219.28 : 615,782.55 = 245,015.28 : x
  2. Step 2: Convert to fraction form
    446,219.28/615,782.55 = 245,015.28/x
  3. Step 3: Cross multiply
    446,219.28x = 615,782.55 × 245,015.28
  4. Step 4: Simplify right side
    446,219.28x = 150,876,133,907.36
  5. Step 5: Solve for x
    x = 150,876,133,907.36/446,219.28
  6. Step 6: Final answer
    x = 338,121.06

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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.