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Finding the Fourth Proportional to 325,752,493.60, 488,628,740.40 and 196,506,042.40

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Solution

The fourth proportional to 325,752,493.60, 488,628,740.40 and 196,506,042.40 is: 294,759,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,752,493.60 : 488,628,740.40 = 196,506,042.40 : x
  2. Step 2: Convert to fraction form
    325,752,493.60/488,628,740.40 = 196,506,042.40/x
  3. Step 3: Cross multiply
    325,752,493.60x = 488,628,740.40 × 196,506,042.40
  4. Step 4: Simplify right side
    325,752,493.60x = 96,018,499,978,900,992
  5. Step 5: Solve for x
    x = 96,018,499,978,900,992/325,752,493.60
  6. Step 6: Final answer
    x = 294,759,063.60

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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.