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Finding the Fourth Proportional to 370,362.60, 555,414.30 and 192,810.60

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Solution

The fourth proportional to 370,362.60, 555,414.30 and 192,810.60 is: 289,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,362.60 : 555,414.30 = 192,810.60 : x
  2. Step 2: Convert to fraction form
    370,362.60/555,414.30 = 192,810.60/x
  3. Step 3: Cross multiply
    370,362.60x = 555,414.30 × 192,810.60
  4. Step 4: Simplify right side
    370,362.60x = 107,089,764,431.58
  5. Step 5: Solve for x
    x = 107,089,764,431.58/370,362.60
  6. Step 6: Final answer
    x = 289,148.43

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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.