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Finding the Fourth Proportional to 366,453.72, 549,578.52 and 129,732.84

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Solution

The fourth proportional to 366,453.72, 549,578.52 and 129,732.84 is: 194,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,453.72 : 549,578.52 = 129,732.84 : x
  2. Step 2: Convert to fraction form
    366,453.72/549,578.52 = 129,732.84/x
  3. Step 3: Cross multiply
    366,453.72x = 549,578.52 × 129,732.84
  4. Step 4: Simplify right side
    366,453.72x = 71,298,382,202.60
  5. Step 5: Solve for x
    x = 71,298,382,202.60/366,453.72
  6. Step 6: Final answer
    x = 194,563.13

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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.