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Finding the Fourth Proportional to 401,733.66, 554,652.17 and 248,934

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Solution

The fourth proportional to 401,733.66, 554,652.17 and 248,934 is: 343,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,733.66 : 554,652.17 = 248,934 : x
  2. Step 2: Convert to fraction form
    401,733.66/554,652.17 = 248,934/x
  3. Step 3: Cross multiply
    401,733.66x = 554,652.17 × 248,934
  4. Step 4: Simplify right side
    401,733.66x = 138,071,782,042.11
  5. Step 5: Solve for x
    x = 138,071,782,042.11/401,733.66
  6. Step 6: Final answer
    x = 343,689.85

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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.