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Finding the Fourth Proportional to 497,450.86, 686,269.41 and 325,069.59

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Solution

The fourth proportional to 497,450.86, 686,269.41 and 325,069.59 is: 448,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,450.86 : 686,269.41 = 325,069.59 : x
  2. Step 2: Convert to fraction form
    497,450.86/686,269.41 = 325,069.59/x
  3. Step 3: Cross multiply
    497,450.86x = 686,269.41 × 325,069.59
  4. Step 4: Simplify right side
    497,450.86x = 223,085,312,584.85
  5. Step 5: Solve for x
    x = 223,085,312,584.85/497,450.86
  6. Step 6: Final answer
    x = 448,456.98

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1.5x scale

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.