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Finding the Fourth Proportional to 296,992.32, 444,424.28 and 257,148.76

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Solution

The fourth proportional to 296,992.32, 444,424.28 and 257,148.76 is: 384,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,992.32 : 444,424.28 = 257,148.76 : x
  2. Step 2: Convert to fraction form
    296,992.32/444,424.28 = 257,148.76/x
  3. Step 3: Cross multiply
    296,992.32x = 444,424.28 × 257,148.76
  4. Step 4: Simplify right side
    296,992.32x = 114,283,152,515.89
  5. Step 5: Solve for x
    x = 114,283,152,515.89/296,992.32
  6. Step 6: Final answer
    x = 384,801.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.