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Finding the Fourth Proportional to 591,759.40, 887,201.70 and 325,820.20

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Solution

The fourth proportional to 591,759.40, 887,201.70 and 325,820.20 is: 488,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,759.40 : 887,201.70 = 325,820.20 : x
  2. Step 2: Convert to fraction form
    591,759.40/887,201.70 = 325,820.20/x
  3. Step 3: Cross multiply
    591,759.40x = 887,201.70 × 325,820.20
  4. Step 4: Simplify right side
    591,759.40x = 289,068,235,334.34
  5. Step 5: Solve for x
    x = 289,068,235,334.34/591,759.40
  6. Step 6: Final answer
    x = 488,489.47

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1.5x scale

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.