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Finding the Fourth Proportional to 482,863.91, 666,347.38 and 267,998.45

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Solution

The fourth proportional to 482,863.91, 666,347.38 and 267,998.45 is: 369,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,863.91 : 666,347.38 = 267,998.45 : x
  2. Step 2: Convert to fraction form
    482,863.91/666,347.38 = 267,998.45/x
  3. Step 3: Cross multiply
    482,863.91x = 666,347.38 × 267,998.45
  4. Step 4: Simplify right side
    482,863.91x = 178,580,060,999.83
  5. Step 5: Solve for x
    x = 178,580,060,999.83/482,863.91
  6. Step 6: Final answer
    x = 369,835.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.