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Finding the Fourth Proportional to 482,374.23, 665,643.99 and 267,506.34

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Solution

The fourth proportional to 482,374.23, 665,643.99 and 267,506.34 is: 369,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,374.23 : 665,643.99 = 267,506.34 : x
  2. Step 2: Convert to fraction form
    482,374.23/665,643.99 = 267,506.34/x
  3. Step 3: Cross multiply
    482,374.23x = 665,643.99 × 267,506.34
  4. Step 4: Simplify right side
    482,374.23x = 178,063,987,507.90
  5. Step 5: Solve for x
    x = 178,063,987,507.90/482,374.23
  6. Step 6: Final answer
    x = 369,140.76

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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.