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Finding the Fourth Proportional to 366,245.56, 549,534.80 and 216,778.69

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Solution

The fourth proportional to 366,245.56, 549,534.80 and 216,778.69 is: 325,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,245.56 : 549,534.80 = 216,778.69 : x
  2. Step 2: Convert to fraction form
    366,245.56/549,534.80 = 216,778.69/x
  3. Step 3: Cross multiply
    366,245.56x = 549,534.80 × 216,778.69
  4. Step 4: Simplify right side
    366,245.56x = 119,127,434,053.41
  5. Step 5: Solve for x
    x = 119,127,434,053.41/366,245.56
  6. Step 6: Final answer
    x = 325,266.56

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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.