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Finding the Fourth Proportional to 299,295,380.40, 448,943,070.60 and 197,174,727.60

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Solution

The fourth proportional to 299,295,380.40, 448,943,070.60 and 197,174,727.60 is: 295,762,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,295,380.40 : 448,943,070.60 = 197,174,727.60 : x
  2. Step 2: Convert to fraction form
    299,295,380.40/448,943,070.60 = 197,174,727.60/x
  3. Step 3: Cross multiply
    299,295,380.40x = 448,943,070.60 × 197,174,727.60
  4. Step 4: Simplify right side
    299,295,380.40x = 88,520,227,653,462,576
  5. Step 5: Solve for x
    x = 88,520,227,653,462,576/299,295,380.40
  6. Step 6: Final answer
    x = 295,762,091.40

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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.