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Finding the Fourth Proportional to 504,557,643.60, 756,836,465.40 and 368,508,747.60

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Solution

The fourth proportional to 504,557,643.60, 756,836,465.40 and 368,508,747.60 is: 552,763,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,557,643.60 : 756,836,465.40 = 368,508,747.60 : x
  2. Step 2: Convert to fraction form
    504,557,643.60/756,836,465.40 = 368,508,747.60/x
  3. Step 3: Cross multiply
    504,557,643.60x = 756,836,465.40 × 368,508,747.60
  4. Step 4: Simplify right side
    504,557,643.60x = 278,900,858,002,564,736
  5. Step 5: Solve for x
    x = 278,900,858,002,564,736/504,557,643.60
  6. Step 6: Final answer
    x = 552,763,121.40

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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.