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Finding the Fourth Proportional to 291,492.38, 436,250.98 and 179,243.68

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Solution

The fourth proportional to 291,492.38, 436,250.98 and 179,243.68 is: 268,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,492.38 : 436,250.98 = 179,243.68 : x
  2. Step 2: Convert to fraction form
    291,492.38/436,250.98 = 179,243.68/x
  3. Step 3: Cross multiply
    291,492.38x = 436,250.98 × 179,243.68
  4. Step 4: Simplify right side
    291,492.38x = 78,195,231,058.81
  5. Step 5: Solve for x
    x = 78,195,231,058.81/291,492.38
  6. Step 6: Final answer
    x = 268,258.23

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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.