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Finding the Fourth Proportional to 591,840, 887,876.64 and 192,455.04

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Solution

The fourth proportional to 591,840, 887,876.64 and 192,455.04 is: 288,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,840 : 887,876.64 = 192,455.04 : x
  2. Step 2: Convert to fraction form
    591,840/887,876.64 = 192,455.04/x
  3. Step 3: Cross multiply
    591,840x = 887,876.64 × 192,455.04
  4. Step 4: Simplify right side
    591,840x = 170,876,334,266.27
  5. Step 5: Solve for x
    x = 170,876,334,266.27/591,840
  6. Step 6: Final answer
    x = 288,720.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.