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Finding the Fourth Proportional to 281,350,692.20, 422,026,038.30 and 281,350,692.20

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Solution

The fourth proportional to 281,350,692.20, 422,026,038.30 and 281,350,692.20 is: 422,026,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350,692.20 : 422,026,038.30 = 281,350,692.20 : x
  2. Step 2: Convert to fraction form
    281,350,692.20/422,026,038.30 = 281,350,692.20/x
  3. Step 3: Cross multiply
    281,350,692.20x = 422,026,038.30 × 281,350,692.20
  4. Step 4: Simplify right side
    281,350,692.20x = 118,737,318,002,128,704
  5. Step 5: Solve for x
    x = 118,737,318,002,128,704/281,350,692.20
  6. Step 6: Final answer
    x = 422,026,038.30

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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.