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Finding the Fourth Proportional to 366,409.20, 549,613.80 and 271,930.80

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Solution

The fourth proportional to 366,409.20, 549,613.80 and 271,930.80 is: 407,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,409.20 : 549,613.80 = 271,930.80 : x
  2. Step 2: Convert to fraction form
    366,409.20/549,613.80 = 271,930.80/x
  3. Step 3: Cross multiply
    366,409.20x = 549,613.80 × 271,930.80
  4. Step 4: Simplify right side
    366,409.20x = 149,456,920,325.04
  5. Step 5: Solve for x
    x = 149,456,920,325.04/366,409.20
  6. Step 6: Final answer
    x = 407,896.20

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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.