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Finding the Fourth Proportional to 282,418.67, 423,699.76 and 80,014.55

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Solution

The fourth proportional to 282,418.67, 423,699.76 and 80,014.55 is: 120,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,418.67 : 423,699.76 = 80,014.55 : x
  2. Step 2: Convert to fraction form
    282,418.67/423,699.76 = 80,014.55/x
  3. Step 3: Cross multiply
    282,418.67x = 423,699.76 × 80,014.55
  4. Step 4: Simplify right side
    282,418.67x = 33,902,145,996.34
  5. Step 5: Solve for x
    x = 33,902,145,996.34/282,418.67
  6. Step 6: Final answer
    x = 120,042.16

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1.5x scale

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.