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Finding the Fourth Proportional to 296,726.67, 443,818.35 and 275,188.77

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Solution

The fourth proportional to 296,726.67, 443,818.35 and 275,188.77 is: 411,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,726.67 : 443,818.35 = 275,188.77 : x
  2. Step 2: Convert to fraction form
    296,726.67/443,818.35 = 275,188.77/x
  3. Step 3: Cross multiply
    296,726.67x = 443,818.35 × 275,188.77
  4. Step 4: Simplify right side
    296,726.67x = 122,133,825,839.93
  5. Step 5: Solve for x
    x = 122,133,825,839.93/296,726.67
  6. Step 6: Final answer
    x = 411,603.80

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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.