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Finding the Fourth Proportional to 548,628.10, 822,942.15 and 268,692.10

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Solution

The fourth proportional to 548,628.10, 822,942.15 and 268,692.10 is: 403,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,628.10 : 822,942.15 = 268,692.10 : x
  2. Step 2: Convert to fraction form
    548,628.10/822,942.15 = 268,692.10/x
  3. Step 3: Cross multiply
    548,628.10x = 822,942.15 × 268,692.10
  4. Step 4: Simplify right side
    548,628.10x = 221,118,054,462.02
  5. Step 5: Solve for x
    x = 221,118,054,462.02/548,628.10
  6. Step 6: Final answer
    x = 403,038.15

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Similar ratio
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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.