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Finding the Fourth Proportional to 366,288.60, 549,530.10 and 129,606.60

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Solution

The fourth proportional to 366,288.60, 549,530.10 and 129,606.60 is: 194,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,288.60 : 549,530.10 = 129,606.60 : x
  2. Step 2: Convert to fraction form
    366,288.60/549,530.10 = 129,606.60/x
  3. Step 3: Cross multiply
    366,288.60x = 549,530.10 × 129,606.60
  4. Step 4: Simplify right side
    366,288.60x = 71,222,727,858.66
  5. Step 5: Solve for x
    x = 71,222,727,858.66/366,288.60
  6. Step 6: Final answer
    x = 194,444.29

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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.