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Finding the Fourth Proportional to 472,197.48, 654,969.71 and 455,174.52

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Solution

The fourth proportional to 472,197.48, 654,969.71 and 455,174.52 is: 631,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,197.48 : 654,969.71 = 455,174.52 : x
  2. Step 2: Convert to fraction form
    472,197.48/654,969.71 = 455,174.52/x
  3. Step 3: Cross multiply
    472,197.48x = 654,969.71 × 455,174.52
  4. Step 4: Simplify right side
    472,197.48x = 298,125,521,087.92
  5. Step 5: Solve for x
    x = 298,125,521,087.92/472,197.48
  6. Step 6: Final answer
    x = 631,357.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.