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Finding the Fourth Proportional to 591,268.28, 887,122.72 and 354,780.68

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Solution

The fourth proportional to 591,268.28, 887,122.72 and 354,780.68 is: 532,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,268.28 : 887,122.72 = 354,780.68 : x
  2. Step 2: Convert to fraction form
    591,268.28/887,122.72 = 354,780.68/x
  3. Step 3: Cross multiply
    591,268.28x = 887,122.72 × 354,780.68
  4. Step 4: Simplify right side
    591,268.28x = 314,734,001,845.05
  5. Step 5: Solve for x
    x = 314,734,001,845.05/591,268.28
  6. Step 6: Final answer
    x = 532,303.21

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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.