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Finding the Fourth Proportional to 443,496,616.80, 665,244,925.20 and 443,496,616.80

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Solution

The fourth proportional to 443,496,616.80, 665,244,925.20 and 443,496,616.80 is: 665,244,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,496,616.80 : 665,244,925.20 = 443,496,616.80 : x
  2. Step 2: Convert to fraction form
    443,496,616.80/665,244,925.20 = 443,496,616.80/x
  3. Step 3: Cross multiply
    443,496,616.80x = 665,244,925.20 × 443,496,616.80
  4. Step 4: Simplify right side
    443,496,616.80x = 295,033,873,669,569,088
  5. Step 5: Solve for x
    x = 295,033,873,669,569,088/443,496,616.80
  6. Step 6: Final answer
    x = 665,244,925.20

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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.