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Finding the Fourth Proportional to 591,873.60, 887,810.40 and 259,449.60

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Solution

The fourth proportional to 591,873.60, 887,810.40 and 259,449.60 is: 389,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,873.60 : 887,810.40 = 259,449.60 : x
  2. Step 2: Convert to fraction form
    591,873.60/887,810.40 = 259,449.60/x
  3. Step 3: Cross multiply
    591,873.60x = 887,810.40 × 259,449.60
  4. Step 4: Simplify right side
    591,873.60x = 230,342,053,155.84
  5. Step 5: Solve for x
    x = 230,342,053,155.84/591,873.60
  6. Step 6: Final answer
    x = 389,174.40

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Double scale
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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.