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Finding the Fourth Proportional to 217,735,400.70, 326,603,101.05 and 217,735,400.70

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Solution

The fourth proportional to 217,735,400.70, 326,603,101.05 and 217,735,400.70 is: 326,603,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,400.70 : 326,603,101.05 = 217,735,400.70 : x
  2. Step 2: Convert to fraction form
    217,735,400.70/326,603,101.05 = 217,735,400.70/x
  3. Step 3: Cross multiply
    217,735,400.70x = 326,603,101.05 × 217,735,400.70
  4. Step 4: Simplify right side
    217,735,400.70x = 71,113,057,076,984,336
  5. Step 5: Solve for x
    x = 71,113,057,076,984,336/217,735,400.70
  6. Step 6: Final answer
    x = 326,603,101.05

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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.