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Finding the Fourth Proportional to 366,914.80, 549,853.80 and 271,399.60

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Solution

The fourth proportional to 366,914.80, 549,853.80 and 271,399.60 is: 406,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.80 : 549,853.80 = 271,399.60 : x
  2. Step 2: Convert to fraction form
    366,914.80/549,853.80 = 271,399.60/x
  3. Step 3: Cross multiply
    366,914.80x = 549,853.80 × 271,399.60
  4. Step 4: Simplify right side
    366,914.80x = 149,230,101,378.48
  5. Step 5: Solve for x
    x = 149,230,101,378.48/366,914.80
  6. Step 6: Final answer
    x = 406,715.95

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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.