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Finding the Fourth Proportional to 706,451.51, 974,928.74 and 404,703.83

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Solution

The fourth proportional to 706,451.51, 974,928.74 and 404,703.83 is: 558,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,451.51 : 974,928.74 = 404,703.83 : x
  2. Step 2: Convert to fraction form
    706,451.51/974,928.74 = 404,703.83/x
  3. Step 3: Cross multiply
    706,451.51x = 974,928.74 × 404,703.83
  4. Step 4: Simplify right side
    706,451.51x = 394,557,395,468.88
  5. Step 5: Solve for x
    x = 394,557,395,468.88/706,451.51
  6. Step 6: Final answer
    x = 558,505.98

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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.