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Finding the Fourth Proportional to 299,091,200.40, 448,636,800.60 and 196,970,547.60

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Solution

The fourth proportional to 299,091,200.40, 448,636,800.60 and 196,970,547.60 is: 295,455,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,091,200.40 : 448,636,800.60 = 196,970,547.60 : x
  2. Step 2: Convert to fraction form
    299,091,200.40/448,636,800.60 = 196,970,547.60/x
  3. Step 3: Cross multiply
    299,091,200.40x = 448,636,800.60 × 196,970,547.60
  4. Step 4: Simplify right side
    299,091,200.40x = 88,368,236,287,694,016
  5. Step 5: Solve for x
    x = 88,368,236,287,694,016/299,091,200.40
  6. Step 6: Final answer
    x = 295,455,821.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.