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Finding the Fourth Proportional to 365,079.40, 546,543.90 and 271,997.80

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Solution

The fourth proportional to 365,079.40, 546,543.90 and 271,997.80 is: 407,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,079.40 : 546,543.90 = 271,997.80 : x
  2. Step 2: Convert to fraction form
    365,079.40/546,543.90 = 271,997.80/x
  3. Step 3: Cross multiply
    365,079.40x = 546,543.90 × 271,997.80
  4. Step 4: Simplify right side
    365,079.40x = 148,658,738,403.42
  5. Step 5: Solve for x
    x = 148,658,738,403.42/365,079.40
  6. Step 6: Final answer
    x = 407,195.64

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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.