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Finding the Fourth Proportional to 1,269,635.82, 1,904,743.65 and 550,097.02

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Solution

The fourth proportional to 1,269,635.82, 1,904,743.65 and 550,097.02 is: 825,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,635.82 : 1,904,743.65 = 550,097.02 : x
  2. Step 2: Convert to fraction form
    1,269,635.82/1,904,743.65 = 550,097.02/x
  3. Step 3: Cross multiply
    1,269,635.82x = 1,904,743.65 × 550,097.02
  4. Step 4: Simplify right side
    1,269,635.82x = 1,047,793,810,172.72
  5. Step 5: Solve for x
    x = 1,047,793,810,172.72/1,269,635.82
  6. Step 6: Final answer
    x = 825,271.15

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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.