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Finding the Fourth Proportional to 630,113,906.60, 945,170,859.90 and 630,113,906.60

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Solution

The fourth proportional to 630,113,906.60, 945,170,859.90 and 630,113,906.60 is: 945,170,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,113,906.60 : 945,170,859.90 = 630,113,906.60 : x
  2. Step 2: Convert to fraction form
    630,113,906.60/945,170,859.90 = 630,113,906.60/x
  3. Step 3: Cross multiply
    630,113,906.60x = 945,170,859.90 × 630,113,906.60
  4. Step 4: Simplify right side
    630,113,906.60x = 595,565,302,936,070,272
  5. Step 5: Solve for x
    x = 595,565,302,936,070,272/630,113,906.60
  6. Step 6: Final answer
    x = 945,170,859.90

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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.