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Finding the Fourth Proportional to 630,565,356.30, 945,848,034.45 and 630,565,356.30

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Solution

The fourth proportional to 630,565,356.30, 945,848,034.45 and 630,565,356.30 is: 945,848,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,565,356.30 : 945,848,034.45 = 630,565,356.30 : x
  2. Step 2: Convert to fraction form
    630,565,356.30/945,848,034.45 = 630,565,356.30/x
  3. Step 3: Cross multiply
    630,565,356.30x = 945,848,034.45 × 630,565,356.30
  4. Step 4: Simplify right side
    630,565,356.30x = 596,419,002,848,618,880
  5. Step 5: Solve for x
    x = 596,419,002,848,618,880/630,565,356.30
  6. Step 6: Final answer
    x = 945,848,034.45

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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.