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Finding the Fourth Proportional to 482,679.48, 666,134.16 and 267,860.16

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Solution

The fourth proportional to 482,679.48, 666,134.16 and 267,860.16 is: 369,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,679.48 : 666,134.16 = 267,860.16 : x
  2. Step 2: Convert to fraction form
    482,679.48/666,134.16 = 267,860.16/x
  3. Step 3: Cross multiply
    482,679.48x = 666,134.16 × 267,860.16
  4. Step 4: Simplify right side
    482,679.48x = 178,430,802,679.07
  5. Step 5: Solve for x
    x = 178,430,802,679.07/482,679.48
  6. Step 6: Final answer
    x = 369,667.26

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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.