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Finding the Fourth Proportional to 449,323,631.80, 630,867,069.80 and 449,323,631.80

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Solution

The fourth proportional to 449,323,631.80, 630,867,069.80 and 449,323,631.80 is: 630,867,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,631.80 : 630,867,069.80 = 449,323,631.80 : x
  2. Step 2: Convert to fraction form
    449,323,631.80/630,867,069.80 = 449,323,631.80/x
  3. Step 3: Cross multiply
    449,323,631.80x = 630,867,069.80 × 449,323,631.80
  4. Step 4: Simplify right side
    449,323,631.80x = 283,463,482,985,560,096
  5. Step 5: Solve for x
    x = 283,463,482,985,560,096/449,323,631.80
  6. Step 6: Final answer
    x = 630,867,069.80

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.