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Finding the Fourth Proportional to 479,012.67, 718,518.96 and 268,667.01

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Solution

The fourth proportional to 479,012.67, 718,518.96 and 268,667.01 is: 403,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,012.67 : 718,518.96 = 268,667.01 : x
  2. Step 2: Convert to fraction form
    479,012.67/718,518.96 = 268,667.01/x
  3. Step 3: Cross multiply
    479,012.67x = 718,518.96 × 268,667.01
  4. Step 4: Simplify right side
    479,012.67x = 193,042,340,611.51
  5. Step 5: Solve for x
    x = 193,042,340,611.51/479,012.67
  6. Step 6: Final answer
    x = 403,000.49

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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.