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Finding the Fourth Proportional to 366,514.20, 549,771.30 and 303,528.60

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Solution

The fourth proportional to 366,514.20, 549,771.30 and 303,528.60 is: 455,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,514.20 : 549,771.30 = 303,528.60 : x
  2. Step 2: Convert to fraction form
    366,514.20/549,771.30 = 303,528.60/x
  3. Step 3: Cross multiply
    366,514.20x = 549,771.30 × 303,528.60
  4. Step 4: Simplify right side
    366,514.20x = 166,871,313,009.18
  5. Step 5: Solve for x
    x = 166,871,313,009.18/366,514.20
  6. Step 6: Final answer
    x = 455,292.90

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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.