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Finding the Fourth Proportional to 808,826, 1,116,179.88 and 451,130

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Solution

The fourth proportional to 808,826, 1,116,179.88 and 451,130 is: 622,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,826 : 1,116,179.88 = 451,130 : x
  2. Step 2: Convert to fraction form
    808,826/1,116,179.88 = 451,130/x
  3. Step 3: Cross multiply
    808,826x = 1,116,179.88 × 451,130
  4. Step 4: Simplify right side
    808,826x = 503,542,229,264.40
  5. Step 5: Solve for x
    x = 503,542,229,264.40/808,826
  6. Step 6: Final answer
    x = 622,559.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.