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Finding the Fourth Proportional to 565,179.84, 847,638.24 and 210,360.96

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Solution

The fourth proportional to 565,179.84, 847,638.24 and 210,360.96 is: 315,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,179.84 : 847,638.24 = 210,360.96 : x
  2. Step 2: Convert to fraction form
    565,179.84/847,638.24 = 210,360.96/x
  3. Step 3: Cross multiply
    565,179.84x = 847,638.24 × 210,360.96
  4. Step 4: Simplify right side
    565,179.84x = 178,309,993,899.11
  5. Step 5: Solve for x
    x = 178,309,993,899.11/565,179.84
  6. Step 6: Final answer
    x = 315,492.49

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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.