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Finding the Fourth Proportional to 491,617.76, 737,656.27 and 254,831.27

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Solution

The fourth proportional to 491,617.76, 737,656.27 and 254,831.27 is: 382,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,617.76 : 737,656.27 = 254,831.27 : x
  2. Step 2: Convert to fraction form
    491,617.76/737,656.27 = 254,831.27/x
  3. Step 3: Cross multiply
    491,617.76x = 737,656.27 × 254,831.27
  4. Step 4: Simplify right side
    491,617.76x = 187,977,879,782.20
  5. Step 5: Solve for x
    x = 187,977,879,782.20/491,617.76
  6. Step 6: Final answer
    x = 382,365.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.