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Finding the Fourth Proportional to 366,271.30, 549,293.94 and 129,559.54

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Solution

The fourth proportional to 366,271.30, 549,293.94 and 129,559.54 is: 194,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,271.30 : 549,293.94 = 129,559.54 : x
  2. Step 2: Convert to fraction form
    366,271.30/549,293.94 = 129,559.54/x
  3. Step 3: Cross multiply
    366,271.30x = 549,293.94 × 129,559.54
  4. Step 4: Simplify right side
    366,271.30x = 71,166,270,191.19
  5. Step 5: Solve for x
    x = 71,166,270,191.19/366,271.30
  6. Step 6: Final answer
    x = 194,299.34

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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.