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Finding the Fourth Proportional to 550,445.01, 825,724.19 and 190,615.17

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Solution

The fourth proportional to 550,445.01, 825,724.19 and 190,615.17 is: 285,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,445.01 : 825,724.19 = 190,615.17 : x
  2. Step 2: Convert to fraction form
    550,445.01/825,724.19 = 190,615.17/x
  3. Step 3: Cross multiply
    550,445.01x = 825,724.19 × 190,615.17
  4. Step 4: Simplify right side
    550,445.01x = 157,395,556,849.96
  5. Step 5: Solve for x
    x = 157,395,556,849.96/550,445.01
  6. Step 6: Final answer
    x = 285,942.38

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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.