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Finding the Fourth Proportional to 482,411.01, 665,768.05 and 267,620.25

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Solution

The fourth proportional to 482,411.01, 665,768.05 and 267,620.25 is: 369,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,411.01 : 665,768.05 = 267,620.25 : x
  2. Step 2: Convert to fraction form
    482,411.01/665,768.05 = 267,620.25/x
  3. Step 3: Cross multiply
    482,411.01x = 665,768.05 × 267,620.25
  4. Step 4: Simplify right side
    482,411.01x = 178,173,011,313.96
  5. Step 5: Solve for x
    x = 178,173,011,313.96/482,411.01
  6. Step 6: Final answer
    x = 369,338.61

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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.