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Finding the Fourth Proportional to 503,485,405.35, 755,228,108.03 and 503,485,405.35

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Solution

The fourth proportional to 503,485,405.35, 755,228,108.03 and 503,485,405.35 is: 755,228,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,485,405.35 : 755,228,108.03 = 503,485,405.35 : x
  2. Step 2: Convert to fraction form
    503,485,405.35/755,228,108.03 = 503,485,405.35/x
  3. Step 3: Cross multiply
    503,485,405.35x = 755,228,108.03 × 503,485,405.35
  4. Step 4: Simplify right side
    503,485,405.35x = 380,246,330,100,680,704
  5. Step 5: Solve for x
    x = 380,246,330,100,680,704/503,485,405.35
  6. Step 6: Final answer
    x = 755,228,108.03

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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.