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Finding the Fourth Proportional to 441,486.19, 662,328 and 161,003.44

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Solution

The fourth proportional to 441,486.19, 662,328 and 161,003.44 is: 241,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,486.19 : 662,328 = 161,003.44 : x
  2. Step 2: Convert to fraction form
    441,486.19/662,328 = 161,003.44/x
  3. Step 3: Cross multiply
    441,486.19x = 662,328 × 161,003.44
  4. Step 4: Simplify right side
    441,486.19x = 106,637,084,752.50
  5. Step 5: Solve for x
    x = 106,637,084,752.50/441,486.19
  6. Step 6: Final answer
    x = 241,541.16

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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.