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Finding the Fourth Proportional to 365,080.40, 546,545.40 and 271,998.80

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Solution

The fourth proportional to 365,080.40, 546,545.40 and 271,998.80 is: 407,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,080.40 : 546,545.40 = 271,998.80 : x
  2. Step 2: Convert to fraction form
    365,080.40/546,545.40 = 271,998.80/x
  3. Step 3: Cross multiply
    365,080.40x = 546,545.40 × 271,998.80
  4. Step 4: Simplify right side
    365,080.40x = 148,659,692,945.52
  5. Step 5: Solve for x
    x = 148,659,692,945.52/365,080.40
  6. Step 6: Final answer
    x = 407,197.14

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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.