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Finding the Fourth Proportional to 467,151.40, 644,668.77 and 252,291.51

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Solution

The fourth proportional to 467,151.40, 644,668.77 and 252,291.51 is: 348,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,151.40 : 644,668.77 = 252,291.51 : x
  2. Step 2: Convert to fraction form
    467,151.40/644,668.77 = 252,291.51/x
  3. Step 3: Cross multiply
    467,151.40x = 644,668.77 × 252,291.51
  4. Step 4: Simplify right side
    467,151.40x = 162,644,458,379.24
  5. Step 5: Solve for x
    x = 162,644,458,379.24/467,151.40
  6. Step 6: Final answer
    x = 348,162.20

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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.