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Finding the Fourth Proportional to 457,956.29, 631,953.88 and 253,992.58

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Solution

The fourth proportional to 457,956.29, 631,953.88 and 253,992.58 is: 350,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,956.29 : 631,953.88 = 253,992.58 : x
  2. Step 2: Convert to fraction form
    457,956.29/631,953.88 = 253,992.58/x
  3. Step 3: Cross multiply
    457,956.29x = 631,953.88 × 253,992.58
  4. Step 4: Simplify right side
    457,956.29x = 160,511,594,207.34
  5. Step 5: Solve for x
    x = 160,511,594,207.34/457,956.29
  6. Step 6: Final answer
    x = 350,495.44

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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.