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Finding the Fourth Proportional to 272,030.35, 408,045.53 and 269,405.95

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Solution

The fourth proportional to 272,030.35, 408,045.53 and 269,405.95 is: 404,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,030.35 : 408,045.53 = 269,405.95 : x
  2. Step 2: Convert to fraction form
    272,030.35/408,045.53 = 269,405.95/x
  3. Step 3: Cross multiply
    272,030.35x = 408,045.53 × 269,405.95
  4. Step 4: Simplify right side
    272,030.35x = 109,929,892,305.87
  5. Step 5: Solve for x
    x = 109,929,892,305.87/272,030.35
  6. Step 6: Final answer
    x = 404,108.93

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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.