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Finding the Fourth Proportional to 3,688,745.40, 5,533,113 and 993,073.50

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Solution

The fourth proportional to 3,688,745.40, 5,533,113 and 993,073.50 is: 1,489,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,745.40 : 5,533,113 = 993,073.50 : x
  2. Step 2: Convert to fraction form
    3,688,745.40/5,533,113 = 993,073.50/x
  3. Step 3: Cross multiply
    3,688,745.40x = 5,533,113 × 993,073.50
  4. Step 4: Simplify right side
    3,688,745.40x = 5,494,787,892,805.50
  5. Step 5: Solve for x
    x = 5,494,787,892,805.50/3,688,745.40
  6. Step 6: Final answer
    x = 1,489,608.88

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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.