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Finding the Fourth Proportional to 536,628.10, 804,942.15 and 256,692.10

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Solution

The fourth proportional to 536,628.10, 804,942.15 and 256,692.10 is: 385,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,628.10 : 804,942.15 = 256,692.10 : x
  2. Step 2: Convert to fraction form
    536,628.10/804,942.15 = 256,692.10/x
  3. Step 3: Cross multiply
    536,628.10x = 804,942.15 × 256,692.10
  4. Step 4: Simplify right side
    536,628.10x = 206,622,290,862.02
  5. Step 5: Solve for x
    x = 206,622,290,862.02/536,628.10
  6. Step 6: Final answer
    x = 385,038.15

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Similar ratio
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1.5x scale

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.