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Finding the Fourth Proportional to 366,327.60, 549,491.40 and 330,169.20

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Solution

The fourth proportional to 366,327.60, 549,491.40 and 330,169.20 is: 495,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,327.60 : 549,491.40 = 330,169.20 : x
  2. Step 2: Convert to fraction form
    366,327.60/549,491.40 = 330,169.20/x
  3. Step 3: Cross multiply
    366,327.60x = 549,491.40 × 330,169.20
  4. Step 4: Simplify right side
    366,327.60x = 181,425,135,944.88
  5. Step 5: Solve for x
    x = 181,425,135,944.88/366,327.60
  6. Step 6: Final answer
    x = 495,253.80

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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.