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Finding the Fourth Proportional to 482,695.60, 666,124.50 and 267,855.64

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Solution

The fourth proportional to 482,695.60, 666,124.50 and 267,855.64 is: 369,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,695.60 : 666,124.50 = 267,855.64 : x
  2. Step 2: Convert to fraction form
    482,695.60/666,124.50 = 267,855.64/x
  3. Step 3: Cross multiply
    482,695.60x = 666,124.50 × 267,855.64
  4. Step 4: Simplify right side
    482,695.60x = 178,425,204,267.18
  5. Step 5: Solve for x
    x = 178,425,204,267.18/482,695.60
  6. Step 6: Final answer
    x = 369,643.32

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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.