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Finding the Fourth Proportional to 260,000.10, 365,049.90 and 260,000.10

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Solution

The fourth proportional to 260,000.10, 365,049.90 and 260,000.10 is: 365,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,000.10 : 365,049.90 = 260,000.10 : x
  2. Step 2: Convert to fraction form
    260,000.10/365,049.90 = 260,000.10/x
  3. Step 3: Cross multiply
    260,000.10x = 365,049.90 × 260,000.10
  4. Step 4: Simplify right side
    260,000.10x = 94,913,010,504.99
  5. Step 5: Solve for x
    x = 94,913,010,504.99/260,000.10
  6. Step 6: Final answer
    x = 365,049.90

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1.5x scale

Why These Related Problems?

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