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Finding the Fourth Proportional to 335,718,605.60, 503,577,908.40 and 199,333,786.40

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Solution

The fourth proportional to 335,718,605.60, 503,577,908.40 and 199,333,786.40 is: 299,000,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,718,605.60 : 503,577,908.40 = 199,333,786.40 : x
  2. Step 2: Convert to fraction form
    335,718,605.60/503,577,908.40 = 199,333,786.40/x
  3. Step 3: Cross multiply
    335,718,605.60x = 503,577,908.40 × 199,333,786.40
  4. Step 4: Simplify right side
    335,718,605.60x = 100,380,091,228,764,368
  5. Step 5: Solve for x
    x = 100,380,091,228,764,368/335,718,605.60
  6. Step 6: Final answer
    x = 299,000,679.60

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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.