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Finding the Fourth Proportional to 366,486.01, 548,980.63 and 188,619.34

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Solution

The fourth proportional to 366,486.01, 548,980.63 and 188,619.34 is: 282,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,486.01 : 548,980.63 = 188,619.34 : x
  2. Step 2: Convert to fraction form
    366,486.01/548,980.63 = 188,619.34/x
  3. Step 3: Cross multiply
    366,486.01x = 548,980.63 × 188,619.34
  4. Step 4: Simplify right side
    366,486.01x = 103,548,364,103.38
  5. Step 5: Solve for x
    x = 103,548,364,103.38/366,486.01
  6. Step 6: Final answer
    x = 282,543.84

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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.