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Finding the Fourth Proportional to 591,877.60, 887,816.40 and 259,453.60

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Solution

The fourth proportional to 591,877.60, 887,816.40 and 259,453.60 is: 389,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,877.60 : 887,816.40 = 259,453.60 : x
  2. Step 2: Convert to fraction form
    591,877.60/887,816.40 = 259,453.60/x
  3. Step 3: Cross multiply
    591,877.60x = 887,816.40 × 259,453.60
  4. Step 4: Simplify right side
    591,877.60x = 230,347,161,119.04
  5. Step 5: Solve for x
    x = 230,347,161,119.04/591,877.60
  6. Step 6: Final answer
    x = 389,180.40

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Similar ratio
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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.