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Finding the Fourth Proportional to 376,349.16, 519,346.62 and 225,529.32

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Solution

The fourth proportional to 376,349.16, 519,346.62 and 225,529.32 is: 311,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,349.16 : 519,346.62 = 225,529.32 : x
  2. Step 2: Convert to fraction form
    376,349.16/519,346.62 = 225,529.32/x
  3. Step 3: Cross multiply
    376,349.16x = 519,346.62 × 225,529.32
  4. Step 4: Simplify right side
    376,349.16x = 117,127,890,052.90
  5. Step 5: Solve for x
    x = 117,127,890,052.90/376,349.16
  6. Step 6: Final answer
    x = 311,221.34

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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.