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Finding the Fourth Proportional to 496,811.52, 685,689.65 and 292,850.69

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Solution

The fourth proportional to 496,811.52, 685,689.65 and 292,850.69 is: 404,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,811.52 : 685,689.65 = 292,850.69 : x
  2. Step 2: Convert to fraction form
    496,811.52/685,689.65 = 292,850.69/x
  3. Step 3: Cross multiply
    496,811.52x = 685,689.65 × 292,850.69
  4. Step 4: Simplify right side
    496,811.52x = 200,804,682,235.66
  5. Step 5: Solve for x
    x = 200,804,682,235.66/496,811.52
  6. Step 6: Final answer
    x = 404,186.85

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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.