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Finding the Fourth Proportional to 326,066.10, 489,099.15 and 201,477.30

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Solution

The fourth proportional to 326,066.10, 489,099.15 and 201,477.30 is: 302,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,066.10 : 489,099.15 = 201,477.30 : x
  2. Step 2: Convert to fraction form
    326,066.10/489,099.15 = 201,477.30/x
  3. Step 3: Cross multiply
    326,066.10x = 489,099.15 × 201,477.30
  4. Step 4: Simplify right side
    326,066.10x = 98,542,376,174.30
  5. Step 5: Solve for x
    x = 98,542,376,174.30/326,066.10
  6. Step 6: Final answer
    x = 302,215.95

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Similar ratio
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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.