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Finding the Fourth Proportional to 482,374.58, 665,633.30 and 267,513.98

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Solution

The fourth proportional to 482,374.58, 665,633.30 and 267,513.98 is: 369,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,374.58 : 665,633.30 = 267,513.98 : x
  2. Step 2: Convert to fraction form
    482,374.58/665,633.30 = 267,513.98/x
  3. Step 3: Cross multiply
    482,374.58x = 665,633.30 × 267,513.98
  4. Step 4: Simplify right side
    482,374.58x = 178,066,208,637.80
  5. Step 5: Solve for x
    x = 178,066,208,637.80/482,374.58
  6. Step 6: Final answer
    x = 369,145.10

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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.