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Finding the Fourth Proportional to 692,759,578.60, 955,242,103.62 and 441,465,891.40

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Solution

The fourth proportional to 692,759,578.60, 955,242,103.62 and 441,465,891.40 is: 608,734,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,759,578.60 : 955,242,103.62 = 441,465,891.40 : x
  2. Step 2: Convert to fraction form
    692,759,578.60/955,242,103.62 = 441,465,891.40/x
  3. Step 3: Cross multiply
    692,759,578.60x = 955,242,103.62 × 441,465,891.40
  4. Step 4: Simplify right side
    692,759,578.60x = 421,706,806,777,414,464
  5. Step 5: Solve for x
    x = 421,706,806,777,414,464/692,759,578.60
  6. Step 6: Final answer
    x = 608,734,718.08

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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.