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Finding the Fourth Proportional to 366,228.75, 549,346.55 and 129,611.55

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Solution

The fourth proportional to 366,228.75, 549,346.55 and 129,611.55 is: 194,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,228.75 : 549,346.55 = 129,611.55 : x
  2. Step 2: Convert to fraction form
    366,228.75/549,346.55 = 129,611.55/x
  3. Step 3: Cross multiply
    366,228.75x = 549,346.55 × 129,611.55
  4. Step 4: Simplify right side
    366,228.75x = 71,201,657,184.59
  5. Step 5: Solve for x
    x = 71,201,657,184.59/366,228.75
  6. Step 6: Final answer
    x = 194,418.54

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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.