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Finding the Fourth Proportional to 489,264.70, 733,897.06 and 329,832.40

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Solution

The fourth proportional to 489,264.70, 733,897.06 and 329,832.40 is: 494,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,264.70 : 733,897.06 = 329,832.40 : x
  2. Step 2: Convert to fraction form
    489,264.70/733,897.06 = 329,832.40/x
  3. Step 3: Cross multiply
    489,264.70x = 733,897.06 × 329,832.40
  4. Step 4: Simplify right side
    489,264.70x = 242,063,028,652.74
  5. Step 5: Solve for x
    x = 242,063,028,652.74/489,264.70
  6. Step 6: Final answer
    x = 494,748.61

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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.