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Finding the Fourth Proportional to 351,311.40, 525,800.70 and 351,311.40

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Solution

The fourth proportional to 351,311.40, 525,800.70 and 351,311.40 is: 525,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,311.40 : 525,800.70 = 351,311.40 : x
  2. Step 2: Convert to fraction form
    351,311.40/525,800.70 = 351,311.40/x
  3. Step 3: Cross multiply
    351,311.40x = 525,800.70 × 351,311.40
  4. Step 4: Simplify right side
    351,311.40x = 184,719,780,037.98
  5. Step 5: Solve for x
    x = 184,719,780,037.98/351,311.40
  6. Step 6: Final answer
    x = 525,800.70

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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.