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Finding the Fourth Proportional to 284,325.60, 426,492.48 and 275,665.44

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Solution

The fourth proportional to 284,325.60, 426,492.48 and 275,665.44 is: 413,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,325.60 : 426,492.48 = 275,665.44 : x
  2. Step 2: Convert to fraction form
    284,325.60/426,492.48 = 275,665.44/x
  3. Step 3: Cross multiply
    284,325.60x = 426,492.48 × 275,665.44
  4. Step 4: Simplify right side
    284,325.60x = 117,569,237,155.89
  5. Step 5: Solve for x
    x = 117,569,237,155.89/284,325.60
  6. Step 6: Final answer
    x = 413,502.12

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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.