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Finding the Fourth Proportional to 483,864,420.60, 724,788,861.30 and 483,864,420.60

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Solution

The fourth proportional to 483,864,420.60, 724,788,861.30 and 483,864,420.60 is: 724,788,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,864,420.60 : 724,788,861.30 = 483,864,420.60 : x
  2. Step 2: Convert to fraction form
    483,864,420.60/724,788,861.30 = 483,864,420.60/x
  3. Step 3: Cross multiply
    483,864,420.60x = 724,788,861.30 × 483,864,420.60
  4. Step 4: Simplify right side
    483,864,420.60x = 350,699,542,430,258,240
  5. Step 5: Solve for x
    x = 350,699,542,430,258,240/483,864,420.60
  6. Step 6: Final answer
    x = 724,788,861.30

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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.