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Finding the Fourth Proportional to 482,848.64, 666,362.27 and 267,988.71

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Solution

The fourth proportional to 482,848.64, 666,362.27 and 267,988.71 is: 369,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,848.64 : 666,362.27 = 267,988.71 : x
  2. Step 2: Convert to fraction form
    482,848.64/666,362.27 = 267,988.71/x
  3. Step 3: Cross multiply
    482,848.64x = 666,362.27 × 267,988.71
  4. Step 4: Simplify right side
    482,848.64x = 178,577,563,790.03
  5. Step 5: Solve for x
    x = 178,577,563,790.03/482,848.64
  6. Step 6: Final answer
    x = 369,841.71

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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.