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Finding the Fourth Proportional to 50,406,920.40, 75,610,380.60 and 50,406,920.40

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Solution

The fourth proportional to 50,406,920.40, 75,610,380.60 and 50,406,920.40 is: 75,610,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,406,920.40 : 75,610,380.60 = 50,406,920.40 : x
  2. Step 2: Convert to fraction form
    50,406,920.40/75,610,380.60 = 50,406,920.40/x
  3. Step 3: Cross multiply
    50,406,920.40x = 75,610,380.60 × 50,406,920.40
  4. Step 4: Simplify right side
    50,406,920.40x = 3,811,286,436,317,904
  5. Step 5: Solve for x
    x = 3,811,286,436,317,904/50,406,920.40
  6. Step 6: Final answer
    x = 75,610,380.60

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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.