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Finding the Fourth Proportional to 376,670.08, 519,587.58 and 225,679.60

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Solution

The fourth proportional to 376,670.08, 519,587.58 and 225,679.60 is: 311,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,670.08 : 519,587.58 = 225,679.60 : x
  2. Step 2: Convert to fraction form
    376,670.08/519,587.58 = 225,679.60/x
  3. Step 3: Cross multiply
    376,670.08x = 519,587.58 × 225,679.60
  4. Step 4: Simplify right side
    376,670.08x = 117,260,317,219.37
  5. Step 5: Solve for x
    x = 117,260,317,219.37/376,670.08
  6. Step 6: Final answer
    x = 311,307.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.