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Finding the Fourth Proportional to 654,371.76, 903,059.10 and 367,890.96

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Solution

The fourth proportional to 654,371.76, 903,059.10 and 367,890.96 is: 507,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,371.76 : 903,059.10 = 367,890.96 : x
  2. Step 2: Convert to fraction form
    654,371.76/903,059.10 = 367,890.96/x
  3. Step 3: Cross multiply
    654,371.76x = 903,059.10 × 367,890.96
  4. Step 4: Simplify right side
    654,371.76x = 332,227,279,235.74
  5. Step 5: Solve for x
    x = 332,227,279,235.74/654,371.76
  6. Step 6: Final answer
    x = 507,704.18

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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.