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Finding the Fourth Proportional to 482,009.90, 718,705.46 and 468,768.02

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Solution

The fourth proportional to 482,009.90, 718,705.46 and 468,768.02 is: 698,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,009.90 : 718,705.46 = 468,768.02 : x
  2. Step 2: Convert to fraction form
    482,009.90/718,705.46 = 468,768.02/x
  3. Step 3: Cross multiply
    482,009.90x = 718,705.46 × 468,768.02
  4. Step 4: Simplify right side
    482,009.90x = 336,906,135,447.39
  5. Step 5: Solve for x
    x = 336,906,135,447.39/482,009.90
  6. Step 6: Final answer
    x = 698,961.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.