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Finding the Fourth Proportional to 253,818.34, 349,558.65 and 248,307.94

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Solution

The fourth proportional to 253,818.34, 349,558.65 and 248,307.94 is: 341,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,818.34 : 349,558.65 = 248,307.94 : x
  2. Step 2: Convert to fraction form
    253,818.34/349,558.65 = 248,307.94/x
  3. Step 3: Cross multiply
    253,818.34x = 349,558.65 × 248,307.94
  4. Step 4: Simplify right side
    253,818.34x = 86,798,188,290.68
  5. Step 5: Solve for x
    x = 86,798,188,290.68/253,818.34
  6. Step 6: Final answer
    x = 341,969.73

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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.