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Finding the Fourth Proportional to 262,216.80, 393,325.20 and 232,692.30

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Solution

The fourth proportional to 262,216.80, 393,325.20 and 232,692.30 is: 349,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,216.80 : 393,325.20 = 232,692.30 : x
  2. Step 2: Convert to fraction form
    262,216.80/393,325.20 = 232,692.30/x
  3. Step 3: Cross multiply
    262,216.80x = 393,325.20 × 232,692.30
  4. Step 4: Simplify right side
    262,216.80x = 91,523,745,435.96
  5. Step 5: Solve for x
    x = 91,523,745,435.96/262,216.80
  6. Step 6: Final answer
    x = 349,038.45

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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.