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Finding the Fourth Proportional to 326,957.04, 490,432.41 and 193,741.41

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Solution

The fourth proportional to 326,957.04, 490,432.41 and 193,741.41 is: 290,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,957.04 : 490,432.41 = 193,741.41 : x
  2. Step 2: Convert to fraction form
    326,957.04/490,432.41 = 193,741.41/x
  3. Step 3: Cross multiply
    326,957.04x = 490,432.41 × 193,741.41
  4. Step 4: Simplify right side
    326,957.04x = 95,017,066,623.10
  5. Step 5: Solve for x
    x = 95,017,066,623.10/326,957.04
  6. Step 6: Final answer
    x = 290,610.25

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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.