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Finding the Fourth Proportional to 290,677.32, 436,003.74 and 101,180.88

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Solution

The fourth proportional to 290,677.32, 436,003.74 and 101,180.88 is: 151,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,677.32 : 436,003.74 = 101,180.88 : x
  2. Step 2: Convert to fraction form
    290,677.32/436,003.74 = 101,180.88/x
  3. Step 3: Cross multiply
    290,677.32x = 436,003.74 × 101,180.88
  4. Step 4: Simplify right side
    290,677.32x = 44,115,242,096.49
  5. Step 5: Solve for x
    x = 44,115,242,096.49/290,677.32
  6. Step 6: Final answer
    x = 151,767.06

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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.