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Finding the Fourth Proportional to 536,941.80, 805,412.70 and 162,964.20

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Solution

The fourth proportional to 536,941.80, 805,412.70 and 162,964.20 is: 244,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,941.80 : 805,412.70 = 162,964.20 : x
  2. Step 2: Convert to fraction form
    536,941.80/805,412.70 = 162,964.20/x
  3. Step 3: Cross multiply
    536,941.80x = 805,412.70 × 162,964.20
  4. Step 4: Simplify right side
    536,941.80x = 131,253,436,325.34
  5. Step 5: Solve for x
    x = 131,253,436,325.34/536,941.80
  6. Step 6: Final answer
    x = 244,446.30

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Half scale
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Double scale
Find fourth proportional to 536,942.80, 805,414.20 and 162,965.20
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.