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Finding the Fourth Proportional to 496,516.02, 685,242.54 and 292,632.60

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Solution

The fourth proportional to 496,516.02, 685,242.54 and 292,632.60 is: 403,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,516.02 : 685,242.54 = 292,632.60 : x
  2. Step 2: Convert to fraction form
    496,516.02/685,242.54 = 292,632.60/x
  3. Step 3: Cross multiply
    496,516.02x = 685,242.54 × 292,632.60
  4. Step 4: Simplify right side
    496,516.02x = 200,524,306,110.80
  5. Step 5: Solve for x
    x = 200,524,306,110.80/496,516.02
  6. Step 6: Final answer
    x = 403,862.71

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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.