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Finding the Fourth Proportional to 482,817.12, 666,279.32 and 267,966.24

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Solution

The fourth proportional to 482,817.12, 666,279.32 and 267,966.24 is: 369,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,817.12 : 666,279.32 = 267,966.24 : x
  2. Step 2: Convert to fraction form
    482,817.12/666,279.32 = 267,966.24/x
  3. Step 3: Cross multiply
    482,817.12x = 666,279.32 × 267,966.24
  4. Step 4: Simplify right side
    482,817.12x = 178,540,362,830.33
  5. Step 5: Solve for x
    x = 178,540,362,830.33/482,817.12
  6. Step 6: Final answer
    x = 369,788.80

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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.