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Finding the Fourth Proportional to 551,415.35, 827,123.03 and 271,479.35

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Solution

The fourth proportional to 551,415.35, 827,123.03 and 271,479.35 is: 407,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,415.35 : 827,123.03 = 271,479.35 : x
  2. Step 2: Convert to fraction form
    551,415.35/827,123.03 = 271,479.35/x
  3. Step 3: Cross multiply
    551,415.35x = 827,123.03 × 271,479.35
  4. Step 4: Simplify right side
    551,415.35x = 224,546,821,197.03
  5. Step 5: Solve for x
    x = 224,546,821,197.03/551,415.35
  6. Step 6: Final answer
    x = 407,219.03

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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.