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Finding the Fourth Proportional to 437,492.72, 603,578.04 and 256,173.68

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Solution

The fourth proportional to 437,492.72, 603,578.04 and 256,173.68 is: 353,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,492.72 : 603,578.04 = 256,173.68 : x
  2. Step 2: Convert to fraction form
    437,492.72/603,578.04 = 256,173.68/x
  3. Step 3: Cross multiply
    437,492.72x = 603,578.04 × 256,173.68
  4. Step 4: Simplify right side
    437,492.72x = 154,620,807,673.99
  5. Step 5: Solve for x
    x = 154,620,807,673.99/437,492.72
  6. Step 6: Final answer
    x = 353,424.87

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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.