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Finding the Fourth Proportional to 591,103.60, 886,655.40 and 341,657.20

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Solution

The fourth proportional to 591,103.60, 886,655.40 and 341,657.20 is: 512,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,103.60 : 886,655.40 = 341,657.20 : x
  2. Step 2: Convert to fraction form
    591,103.60/886,655.40 = 341,657.20/x
  3. Step 3: Cross multiply
    591,103.60x = 886,655.40 × 341,657.20
  4. Step 4: Simplify right side
    591,103.60x = 302,932,201,328.88
  5. Step 5: Solve for x
    x = 302,932,201,328.88/591,103.60
  6. Step 6: Final answer
    x = 512,485.80

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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.