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Finding the Fourth Proportional to 5,196,804.55, 7,795,075.60 and 1,410,189.01

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Solution

The fourth proportional to 5,196,804.55, 7,795,075.60 and 1,410,189.01 is: 2,115,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196,804.55 : 7,795,075.60 = 1,410,189.01 : x
  2. Step 2: Convert to fraction form
    5,196,804.55/7,795,075.60 = 1,410,189.01/x
  3. Step 3: Cross multiply
    5,196,804.55x = 7,795,075.60 × 1,410,189.01
  4. Step 4: Simplify right side
    5,196,804.55x = 10,992,529,925,514.21
  5. Step 5: Solve for x
    x = 10,992,529,925,514.21/5,196,804.55
  6. Step 6: Final answer
    x = 2,115,247.90

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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.