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Finding the Fourth Proportional to 341,748.64, 471,653.76 and 251,135.56

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Solution

The fourth proportional to 341,748.64, 471,653.76 and 251,135.56 is: 346,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,748.64 : 471,653.76 = 251,135.56 : x
  2. Step 2: Convert to fraction form
    341,748.64/471,653.76 = 251,135.56/x
  3. Step 3: Cross multiply
    341,748.64x = 471,653.76 × 251,135.56
  4. Step 4: Simplify right side
    341,748.64x = 118,449,031,143.71
  5. Step 5: Solve for x
    x = 118,449,031,143.71/341,748.64
  6. Step 6: Final answer
    x = 346,596.93

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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.