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Finding the Fourth Proportional to 482,418.79, 665,690.91 and 267,554.24

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Solution

The fourth proportional to 482,418.79, 665,690.91 and 267,554.24 is: 369,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,418.79 : 665,690.91 = 267,554.24 : x
  2. Step 2: Convert to fraction form
    482,418.79/665,690.91 = 267,554.24/x
  3. Step 3: Cross multiply
    482,418.79x = 665,690.91 × 267,554.24
  4. Step 4: Simplify right side
    482,418.79x = 178,108,423,664.52
  5. Step 5: Solve for x
    x = 178,108,423,664.52/482,418.79
  6. Step 6: Final answer
    x = 369,198.77

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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.