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Finding the Fourth Proportional to 706,473, 974,958.39 and 404,725.32

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Solution

The fourth proportional to 706,473, 974,958.39 and 404,725.32 is: 558,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,473 : 974,958.39 = 404,725.32 : x
  2. Step 2: Convert to fraction form
    706,473/974,958.39 = 404,725.32/x
  3. Step 3: Cross multiply
    706,473x = 974,958.39 × 404,725.32
  4. Step 4: Simplify right side
    706,473x = 394,590,346,379.44
  5. Step 5: Solve for x
    x = 394,590,346,379.44/706,473
  6. Step 6: Final answer
    x = 558,535.64

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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.