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Finding the Fourth Proportional to 446,890.59, 616,907.81 and 265,661.19

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Solution

The fourth proportional to 446,890.59, 616,907.81 and 265,661.19 is: 366,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,890.59 : 616,907.81 = 265,661.19 : x
  2. Step 2: Convert to fraction form
    446,890.59/616,907.81 = 265,661.19/x
  3. Step 3: Cross multiply
    446,890.59x = 616,907.81 × 265,661.19
  4. Step 4: Simplify right side
    446,890.59x = 163,888,463,589.05
  5. Step 5: Solve for x
    x = 163,888,463,589.05/446,890.59
  6. Step 6: Final answer
    x = 366,730.62

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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.