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Finding the Fourth Proportional to 454,800,654.39, 627,626,794.38 and 245,956,797.03

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Solution

The fourth proportional to 454,800,654.39, 627,626,794.38 and 245,956,797.03 is: 339,421,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,800,654.39 : 627,626,794.38 = 245,956,797.03 : x
  2. Step 2: Convert to fraction form
    454,800,654.39/627,626,794.38 = 245,956,797.03/x
  3. Step 3: Cross multiply
    454,800,654.39x = 627,626,794.38 × 245,956,797.03
  4. Step 4: Simplify right side
    454,800,654.39x = 154,369,076,075,911,200
  5. Step 5: Solve for x
    x = 154,369,076,075,911,200/454,800,654.39
  6. Step 6: Final answer
    x = 339,421,402.73

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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.