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Finding the Fourth Proportional to 482,416.12, 665,775.12 and 267,625.38

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Solution

The fourth proportional to 482,416.12, 665,775.12 and 267,625.38 is: 369,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,416.12 : 665,775.12 = 267,625.38 : x
  2. Step 2: Convert to fraction form
    482,416.12/665,775.12 = 267,625.38/x
  3. Step 3: Cross multiply
    482,416.12x = 665,775.12 × 267,625.38
  4. Step 4: Simplify right side
    482,416.12x = 178,178,319,484.55
  5. Step 5: Solve for x
    x = 178,178,319,484.55/482,416.12
  6. Step 6: Final answer
    x = 369,345.70

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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.