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Finding the Fourth Proportional to 866,559, 1,195,829.04 and 479,364.33

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Solution

The fourth proportional to 866,559, 1,195,829.04 and 479,364.33 is: 661,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,559 : 1,195,829.04 = 479,364.33 : x
  2. Step 2: Convert to fraction form
    866,559/1,195,829.04 = 479,364.33/x
  3. Step 3: Cross multiply
    866,559x = 1,195,829.04 × 479,364.33
  4. Step 4: Simplify right side
    866,559x = 573,237,786,554.14
  5. Step 5: Solve for x
    x = 573,237,786,554.14/866,559
  6. Step 6: Final answer
    x = 661,510.40

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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.