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Finding the Fourth Proportional to 550,980,599.02, 760,353,226.88 and 303,461,953.27

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Solution

The fourth proportional to 550,980,599.02, 760,353,226.88 and 303,461,953.27 is: 418,777,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,980,599.02 : 760,353,226.88 = 303,461,953.27 : x
  2. Step 2: Convert to fraction form
    550,980,599.02/760,353,226.88 = 303,461,953.27/x
  3. Step 3: Cross multiply
    550,980,599.02x = 760,353,226.88 × 303,461,953.27
  4. Step 4: Simplify right side
    550,980,599.02x = 230,738,275,400,734,048
  5. Step 5: Solve for x
    x = 230,738,275,400,734,048/550,980,599.02
  6. Step 6: Final answer
    x = 418,777,495.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.