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Finding the Fourth Proportional to 846,000, 1,167,583.68 and 488,304

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Solution

The fourth proportional to 846,000, 1,167,583.68 and 488,304 is: 673,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,000 : 1,167,583.68 = 488,304 : x
  2. Step 2: Convert to fraction form
    846,000/1,167,583.68 = 488,304/x
  3. Step 3: Cross multiply
    846,000x = 1,167,583.68 × 488,304
  4. Step 4: Simplify right side
    846,000x = 570,135,781,278.72
  5. Step 5: Solve for x
    x = 570,135,781,278.72/846,000
  6. Step 6: Final answer
    x = 673,919.36

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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.