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Finding the Fourth Proportional to 503,904,770.08, 755,857,164.72 and 120,952,322.08

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Solution

The fourth proportional to 503,904,770.08, 755,857,164.72 and 120,952,322.08 is: 181,428,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,904,770.08 : 755,857,164.72 = 120,952,322.08 : x
  2. Step 2: Convert to fraction form
    503,904,770.08/755,857,164.72 = 120,952,322.08/x
  3. Step 3: Cross multiply
    503,904,770.08x = 755,857,164.72 × 120,952,322.08
  4. Step 4: Simplify right side
    503,904,770.08x = 91,422,679,233,689,056
  5. Step 5: Solve for x
    x = 91,422,679,233,689,056/503,904,770.08
  6. Step 6: Final answer
    x = 181,428,485.42

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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.