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Finding the Fourth Proportional to 403,906,951.60, 605,860,427.40 and 403,906,951.60

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Solution

The fourth proportional to 403,906,951.60, 605,860,427.40 and 403,906,951.60 is: 605,860,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,906,951.60 : 605,860,427.40 = 403,906,951.60 : x
  2. Step 2: Convert to fraction form
    403,906,951.60/605,860,427.40 = 403,906,951.60/x
  3. Step 3: Cross multiply
    403,906,951.60x = 605,860,427.40 × 403,906,951.60
  4. Step 4: Simplify right side
    403,906,951.60x = 244,711,238,326,207,104
  5. Step 5: Solve for x
    x = 244,711,238,326,207,104/403,906,951.60
  6. Step 6: Final answer
    x = 605,860,427.40

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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.