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Finding the Fourth Proportional to 370,574.60, 555,732.30 and 193,022.60

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Solution

The fourth proportional to 370,574.60, 555,732.30 and 193,022.60 is: 289,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,574.60 : 555,732.30 = 193,022.60 : x
  2. Step 2: Convert to fraction form
    370,574.60/555,732.30 = 193,022.60/x
  3. Step 3: Cross multiply
    370,574.60x = 555,732.30 × 193,022.60
  4. Step 4: Simplify right side
    370,574.60x = 107,268,893,449.98
  5. Step 5: Solve for x
    x = 107,268,893,449.98/370,574.60
  6. Step 6: Final answer
    x = 289,466.39

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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.