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Finding the Fourth Proportional to 1,325,692.22, 1,828,873.22 and 895,815.50

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Solution

The fourth proportional to 1,325,692.22, 1,828,873.22 and 895,815.50 is: 1,235,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,692.22 : 1,828,873.22 = 895,815.50 : x
  2. Step 2: Convert to fraction form
    1,325,692.22/1,828,873.22 = 895,815.50/x
  3. Step 3: Cross multiply
    1,325,692.22x = 1,828,873.22 × 895,815.50
  4. Step 4: Simplify right side
    1,325,692.22x = 1,638,332,978,010.91
  5. Step 5: Solve for x
    x = 1,638,332,978,010.91/1,325,692.22
  6. Step 6: Final answer
    x = 1,235,832.08

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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.