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Finding the Fourth Proportional to 504,363.16, 696,000.21 and 274,915.39

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Solution

The fourth proportional to 504,363.16, 696,000.21 and 274,915.39 is: 379,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,363.16 : 696,000.21 = 274,915.39 : x
  2. Step 2: Convert to fraction form
    504,363.16/696,000.21 = 274,915.39/x
  3. Step 3: Cross multiply
    504,363.16x = 696,000.21 × 274,915.39
  4. Step 4: Simplify right side
    504,363.16x = 191,341,171,210.20
  5. Step 5: Solve for x
    x = 191,341,171,210.20/504,363.16
  6. Step 6: Final answer
    x = 379,371.83

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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.