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Finding the Fourth Proportional to 294,011.58, 440,460.89 and 173,708.76

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Solution

The fourth proportional to 294,011.58, 440,460.89 and 173,708.76 is: 260,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,011.58 : 440,460.89 = 173,708.76 : x
  2. Step 2: Convert to fraction form
    294,011.58/440,460.89 = 173,708.76/x
  3. Step 3: Cross multiply
    294,011.58x = 440,460.89 × 173,708.76
  4. Step 4: Simplify right side
    294,011.58x = 76,511,913,262.36
  5. Step 5: Solve for x
    x = 76,511,913,262.36/294,011.58
  6. Step 6: Final answer
    x = 260,234.36

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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.