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Finding the Fourth Proportional to 366,297.52, 549,447.72 and 129,640.24

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Solution

The fourth proportional to 366,297.52, 549,447.72 and 129,640.24 is: 194,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,297.52 : 549,447.72 = 129,640.24 : x
  2. Step 2: Convert to fraction form
    366,297.52/549,447.72 = 129,640.24/x
  3. Step 3: Cross multiply
    366,297.52x = 549,447.72 × 129,640.24
  4. Step 4: Simplify right side
    366,297.52x = 71,230,534,288.25
  5. Step 5: Solve for x
    x = 71,230,534,288.25/366,297.52
  6. Step 6: Final answer
    x = 194,460.87

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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.