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Finding the Fourth Proportional to 286,473.68, 395,195.46 and 190,858.04

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Solution

The fourth proportional to 286,473.68, 395,195.46 and 190,858.04 is: 263,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,473.68 : 395,195.46 = 190,858.04 : x
  2. Step 2: Convert to fraction form
    286,473.68/395,195.46 = 190,858.04/x
  3. Step 3: Cross multiply
    286,473.68x = 395,195.46 × 190,858.04
  4. Step 4: Simplify right side
    286,473.68x = 75,426,230,912.50
  5. Step 5: Solve for x
    x = 75,426,230,912.50/286,473.68
  6. Step 6: Final answer
    x = 263,292.01

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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.