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Finding the Fourth Proportional to 298,342,528.40, 446,757,965.40 and 237,876,352.40

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Solution

The fourth proportional to 298,342,528.40, 446,757,965.40 and 237,876,352.40 is: 356,211,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,342,528.40 : 446,757,965.40 = 237,876,352.40 : x
  2. Step 2: Convert to fraction form
    298,342,528.40/446,757,965.40 = 237,876,352.40/x
  3. Step 3: Cross multiply
    298,342,528.40x = 446,757,965.40 × 237,876,352.40
  4. Step 4: Simplify right side
    298,342,528.40x = 106,273,155,214,997,408
  5. Step 5: Solve for x
    x = 106,273,155,214,997,408/298,342,528.40
  6. Step 6: Final answer
    x = 356,211,887.67

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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.