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Finding the Fourth Proportional to 504,766.02, 755,371.78 and 315,315.61

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Solution

The fourth proportional to 504,766.02, 755,371.78 and 315,315.61 is: 471,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,766.02 : 755,371.78 = 315,315.61 : x
  2. Step 2: Convert to fraction form
    504,766.02/755,371.78 = 315,315.61/x
  3. Step 3: Cross multiply
    504,766.02x = 755,371.78 × 315,315.61
  4. Step 4: Simplify right side
    504,766.02x = 238,180,510,910.77
  5. Step 5: Solve for x
    x = 238,180,510,910.77/504,766.02
  6. Step 6: Final answer
    x = 471,863.20

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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.