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Finding the Fourth Proportional to 893,552.80, 1,340,199.60 and 262,400.80

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Solution

The fourth proportional to 893,552.80, 1,340,199.60 and 262,400.80 is: 393,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,552.80 : 1,340,199.60 = 262,400.80 : x
  2. Step 2: Convert to fraction form
    893,552.80/1,340,199.60 = 262,400.80/x
  3. Step 3: Cross multiply
    893,552.80x = 1,340,199.60 × 262,400.80
  4. Step 4: Simplify right side
    893,552.80x = 351,669,447,199.68
  5. Step 5: Solve for x
    x = 351,669,447,199.68/893,552.80
  6. Step 6: Final answer
    x = 393,563.14

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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.