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Finding the Fourth Proportional to 482,776.28, 666,253.99 and 267,918.12

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Solution

The fourth proportional to 482,776.28, 666,253.99 and 267,918.12 is: 369,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,776.28 : 666,253.99 = 267,918.12 : x
  2. Step 2: Convert to fraction form
    482,776.28/666,253.99 = 267,918.12/x
  3. Step 3: Cross multiply
    482,776.28x = 666,253.99 × 267,918.12
  4. Step 4: Simplify right side
    482,776.28x = 178,501,516,443.30
  5. Step 5: Solve for x
    x = 178,501,516,443.30/482,776.28
  6. Step 6: Final answer
    x = 369,739.62

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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.