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Finding the Fourth Proportional to 311,141.70, 466,712.55 and 236,492.10

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Solution

The fourth proportional to 311,141.70, 466,712.55 and 236,492.10 is: 354,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,141.70 : 466,712.55 = 236,492.10 : x
  2. Step 2: Convert to fraction form
    311,141.70/466,712.55 = 236,492.10/x
  3. Step 3: Cross multiply
    311,141.70x = 466,712.55 × 236,492.10
  4. Step 4: Simplify right side
    311,141.70x = 110,373,831,045.86
  5. Step 5: Solve for x
    x = 110,373,831,045.86/311,141.70
  6. Step 6: Final answer
    x = 354,738.15

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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.