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Finding the Fourth Proportional to 992,419.08, 1,487,954.78 and 504,903

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Solution

The fourth proportional to 992,419.08, 1,487,954.78 and 504,903 is: 757,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,419.08 : 1,487,954.78 = 504,903 : x
  2. Step 2: Convert to fraction form
    992,419.08/1,487,954.78 = 504,903/x
  3. Step 3: Cross multiply
    992,419.08x = 1,487,954.78 × 504,903
  4. Step 4: Simplify right side
    992,419.08x = 751,272,832,286.34
  5. Step 5: Solve for x
    x = 751,272,832,286.34/992,419.08
  6. Step 6: Final answer
    x = 757,011.68

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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.