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Finding the Fourth Proportional to 298,114.44, 411,397.58 and 170,790.54

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Solution

The fourth proportional to 298,114.44, 411,397.58 and 170,790.54 is: 235,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,114.44 : 411,397.58 = 170,790.54 : x
  2. Step 2: Convert to fraction form
    298,114.44/411,397.58 = 170,790.54/x
  3. Step 3: Cross multiply
    298,114.44x = 411,397.58 × 170,790.54
  4. Step 4: Simplify right side
    298,114.44x = 70,262,814,842.89
  5. Step 5: Solve for x
    x = 70,262,814,842.89/298,114.44
  6. Step 6: Final answer
    x = 235,690.75

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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.