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Finding the Fourth Proportional to 551,091.84, 825,867.88 and 297,826.32

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Solution

The fourth proportional to 551,091.84, 825,867.88 and 297,826.32 is: 446,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,091.84 : 825,867.88 = 297,826.32 : x
  2. Step 2: Convert to fraction form
    551,091.84/825,867.88 = 297,826.32/x
  3. Step 3: Cross multiply
    551,091.84x = 825,867.88 × 297,826.32
  4. Step 4: Simplify right side
    551,091.84x = 245,965,191,506.60
  5. Step 5: Solve for x
    x = 245,965,191,506.60/551,091.84
  6. Step 6: Final answer
    x = 446,323.41

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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.