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Finding the Fourth Proportional to 2,495,578.02, 3,742,992.39 and 789,499.64

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Solution

The fourth proportional to 2,495,578.02, 3,742,992.39 and 789,499.64 is: 1,184,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495,578.02 : 3,742,992.39 = 789,499.64 : x
  2. Step 2: Convert to fraction form
    2,495,578.02/3,742,992.39 = 789,499.64/x
  3. Step 3: Cross multiply
    2,495,578.02x = 3,742,992.39 × 789,499.64
  4. Step 4: Simplify right side
    2,495,578.02x = 2,955,091,128,287.30
  5. Step 5: Solve for x
    x = 2,955,091,128,287.30/2,495,578.02
  6. Step 6: Final answer
    x = 1,184,130.93

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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.