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Finding the Fourth Proportional to 366,646.20, 549,969.30 and 303,660.60

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Solution

The fourth proportional to 366,646.20, 549,969.30 and 303,660.60 is: 455,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,646.20 : 549,969.30 = 303,660.60 : x
  2. Step 2: Convert to fraction form
    366,646.20/549,969.30 = 303,660.60/x
  3. Step 3: Cross multiply
    366,646.20x = 549,969.30 × 303,660.60
  4. Step 4: Simplify right side
    366,646.20x = 167,004,007,619.58
  5. Step 5: Solve for x
    x = 167,004,007,619.58/366,646.20
  6. Step 6: Final answer
    x = 455,490.90

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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.