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Finding the Fourth Proportional to 367,997,410.80, 551,996,116.20 and 245,553,404.40

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Solution

The fourth proportional to 367,997,410.80, 551,996,116.20 and 245,553,404.40 is: 368,330,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,997,410.80 : 551,996,116.20 = 245,553,404.40 : x
  2. Step 2: Convert to fraction form
    367,997,410.80/551,996,116.20 = 245,553,404.40/x
  3. Step 3: Cross multiply
    367,997,410.80x = 551,996,116.20 × 245,553,404.40
  4. Step 4: Simplify right side
    367,997,410.80x = 135,544,525,548,488,000
  5. Step 5: Solve for x
    x = 135,544,525,548,488,000/367,997,410.80
  6. Step 6: Final answer
    x = 368,330,106.60

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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.