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Finding the Fourth Proportional to 1,003,804.52, 1,505,899.74 and 404,826.32

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Solution

The fourth proportional to 1,003,804.52, 1,505,899.74 and 404,826.32 is: 607,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,804.52 : 1,505,899.74 = 404,826.32 : x
  2. Step 2: Convert to fraction form
    1,003,804.52/1,505,899.74 = 404,826.32/x
  3. Step 3: Cross multiply
    1,003,804.52x = 1,505,899.74 × 404,826.32
  4. Step 4: Simplify right side
    1,003,804.52x = 609,627,850,033.16
  5. Step 5: Solve for x
    x = 609,627,850,033.16/1,003,804.52
  6. Step 6: Final answer
    x = 607,317.30

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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.