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Finding the Fourth Proportional to 496,518.02, 685,245.30 and 292,634.59

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Solution

The fourth proportional to 496,518.02, 685,245.30 and 292,634.59 is: 403,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,518.02 : 685,245.30 = 292,634.59 : x
  2. Step 2: Convert to fraction form
    496,518.02/685,245.30 = 292,634.59/x
  3. Step 3: Cross multiply
    496,518.02x = 685,245.30 × 292,634.59
  4. Step 4: Simplify right side
    496,518.02x = 200,526,477,414.93
  5. Step 5: Solve for x
    x = 200,526,477,414.93/496,518.02
  6. Step 6: Final answer
    x = 403,865.46

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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.