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Finding the Fourth Proportional to 591,608.60, 887,412.90 and 355,412.60

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Solution

The fourth proportional to 591,608.60, 887,412.90 and 355,412.60 is: 533,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,608.60 : 887,412.90 = 355,412.60 : x
  2. Step 2: Convert to fraction form
    591,608.60/887,412.90 = 355,412.60/x
  3. Step 3: Cross multiply
    591,608.60x = 887,412.90 × 355,412.60
  4. Step 4: Simplify right side
    591,608.60x = 315,397,726,062.54
  5. Step 5: Solve for x
    x = 315,397,726,062.54/591,608.60
  6. Step 6: Final answer
    x = 533,118.90

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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.