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Finding the Fourth Proportional to 366,324.60, 549,486.90 and 330,166.20

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Solution

The fourth proportional to 366,324.60, 549,486.90 and 330,166.20 is: 495,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,324.60 : 549,486.90 = 330,166.20 : x
  2. Step 2: Convert to fraction form
    366,324.60/549,486.90 = 330,166.20/x
  3. Step 3: Cross multiply
    366,324.60x = 549,486.90 × 330,166.20
  4. Step 4: Simplify right side
    366,324.60x = 181,422,001,722.78
  5. Step 5: Solve for x
    x = 181,422,001,722.78/366,324.60
  6. Step 6: Final answer
    x = 495,249.30

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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.