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Finding the Fourth Proportional to 706,452.51, 974,930.12 and 404,704.83

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Solution

The fourth proportional to 706,452.51, 974,930.12 and 404,704.83 is: 558,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,452.51 : 974,930.12 = 404,704.83 : x
  2. Step 2: Convert to fraction form
    706,452.51/974,930.12 = 404,704.83/x
  3. Step 3: Cross multiply
    706,452.51x = 974,930.12 × 404,704.83
  4. Step 4: Simplify right side
    706,452.51x = 394,558,928,476.48
  5. Step 5: Solve for x
    x = 394,558,928,476.48/706,452.51
  6. Step 6: Final answer
    x = 558,507.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.