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Finding the Fourth Proportional to 358,182.36, 494,164.56 and 222,075.60

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Solution

The fourth proportional to 358,182.36, 494,164.56 and 222,075.60 is: 306,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,182.36 : 494,164.56 = 222,075.60 : x
  2. Step 2: Convert to fraction form
    358,182.36/494,164.56 = 222,075.60/x
  3. Step 3: Cross multiply
    358,182.36x = 494,164.56 × 222,075.60
  4. Step 4: Simplify right side
    358,182.36x = 109,741,891,160.74
  5. Step 5: Solve for x
    x = 109,741,891,160.74/358,182.36
  6. Step 6: Final answer
    x = 306,385.53

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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.