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Finding the Fourth Proportional to 498,296,913.40, 747,445,370.10 and 498,296,913.40

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Solution

The fourth proportional to 498,296,913.40, 747,445,370.10 and 498,296,913.40 is: 747,445,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,296,913.40 : 747,445,370.10 = 498,296,913.40 : x
  2. Step 2: Convert to fraction form
    498,296,913.40/747,445,370.10 = 498,296,913.40/x
  3. Step 3: Cross multiply
    498,296,913.40x = 747,445,370.10 × 498,296,913.40
  4. Step 4: Simplify right side
    498,296,913.40x = 372,449,720,855,950,656
  5. Step 5: Solve for x
    x = 372,449,720,855,950,656/498,296,913.40
  6. Step 6: Final answer
    x = 747,445,370.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.