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Finding the Fourth Proportional to 281,894,413.60, 422,841,620.40 and 281,894,413.60

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Solution

The fourth proportional to 281,894,413.60, 422,841,620.40 and 281,894,413.60 is: 422,841,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,894,413.60 : 422,841,620.40 = 281,894,413.60 : x
  2. Step 2: Convert to fraction form
    281,894,413.60/422,841,620.40 = 281,894,413.60/x
  3. Step 3: Cross multiply
    281,894,413.60x = 422,841,620.40 × 281,894,413.60
  4. Step 4: Simplify right side
    281,894,413.60x = 119,196,690,628,331,808
  5. Step 5: Solve for x
    x = 119,196,690,628,331,808/281,894,413.60
  6. Step 6: Final answer
    x = 422,841,620.40

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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.