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Finding the Fourth Proportional to 591,703.20, 887,684.40 and 292,327.20

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Solution

The fourth proportional to 591,703.20, 887,684.40 and 292,327.20 is: 438,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,703.20 : 887,684.40 = 292,327.20 : x
  2. Step 2: Convert to fraction form
    591,703.20/887,684.40 = 292,327.20/x
  3. Step 3: Cross multiply
    591,703.20x = 887,684.40 × 292,327.20
  4. Step 4: Simplify right side
    591,703.20x = 259,494,295,135.68
  5. Step 5: Solve for x
    x = 259,494,295,135.68/591,703.20
  6. Step 6: Final answer
    x = 438,554.83

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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.