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Finding the Fourth Proportional to 504,068,612.60, 756,102,918.90 and 340,809,937.40

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Solution

The fourth proportional to 504,068,612.60, 756,102,918.90 and 340,809,937.40 is: 511,214,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,068,612.60 : 756,102,918.90 = 340,809,937.40 : x
  2. Step 2: Convert to fraction form
    504,068,612.60/756,102,918.90 = 340,809,937.40/x
  3. Step 3: Cross multiply
    504,068,612.60x = 756,102,918.90 × 340,809,937.40
  4. Step 4: Simplify right side
    504,068,612.60x = 257,687,388,458,266,240
  5. Step 5: Solve for x
    x = 257,687,388,458,266,240/504,068,612.60
  6. Step 6: Final answer
    x = 511,214,906.10

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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.