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Finding the Fourth Proportional to 587,636.07, 881,429.46 and 188,268

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Solution

The fourth proportional to 587,636.07, 881,429.46 and 188,268 is: 282,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,636.07 : 881,429.46 = 188,268 : x
  2. Step 2: Convert to fraction form
    587,636.07/881,429.46 = 188,268/x
  3. Step 3: Cross multiply
    587,636.07x = 881,429.46 × 188,268
  4. Step 4: Simplify right side
    587,636.07x = 165,944,961,575.28
  5. Step 5: Solve for x
    x = 165,944,961,575.28/587,636.07
  6. Step 6: Final answer
    x = 282,394.10

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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.