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Finding the Fourth Proportional to 479,224.33, 718,225.95 and 254,692.33

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Solution

The fourth proportional to 479,224.33, 718,225.95 and 254,692.33 is: 381,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,224.33 : 718,225.95 = 254,692.33 : x
  2. Step 2: Convert to fraction form
    479,224.33/718,225.95 = 254,692.33/x
  3. Step 3: Cross multiply
    479,224.33x = 718,225.95 × 254,692.33
  4. Step 4: Simplify right side
    479,224.33x = 182,926,640,671.96
  5. Step 5: Solve for x
    x = 182,926,640,671.96/479,224.33
  6. Step 6: Final answer
    x = 381,714.01

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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.