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Finding the Fourth Proportional to 482,704.17, 666,131.67 and 267,878.76

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Solution

The fourth proportional to 482,704.17, 666,131.67 and 267,878.76 is: 369,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,704.17 : 666,131.67 = 267,878.76 : x
  2. Step 2: Convert to fraction form
    482,704.17/666,131.67 = 267,878.76/x
  3. Step 3: Cross multiply
    482,704.17x = 666,131.67 × 267,878.76
  4. Step 4: Simplify right side
    482,704.17x = 178,442,525,756.33
  5. Step 5: Solve for x
    x = 178,442,525,756.33/482,704.17
  6. Step 6: Final answer
    x = 369,672.64

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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.