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Finding the Fourth Proportional to 591,884.64, 887,959.68 and 171,193.20

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Solution

The fourth proportional to 591,884.64, 887,959.68 and 171,193.20 is: 256,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,884.64 : 887,959.68 = 171,193.20 : x
  2. Step 2: Convert to fraction form
    591,884.64/887,959.68 = 171,193.20/x
  3. Step 3: Cross multiply
    591,884.64x = 887,959.68 × 171,193.20
  4. Step 4: Simplify right side
    591,884.64x = 152,012,659,090.18
  5. Step 5: Solve for x
    x = 152,012,659,090.18/591,884.64
  6. Step 6: Final answer
    x = 256,828.19

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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.