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Finding the Fourth Proportional to 366,507.12, 505,853.76 and 250,530.52

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Solution

The fourth proportional to 366,507.12, 505,853.76 and 250,530.52 is: 345,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,507.12 : 505,853.76 = 250,530.52 : x
  2. Step 2: Convert to fraction form
    366,507.12/505,853.76 = 250,530.52/x
  3. Step 3: Cross multiply
    366,507.12x = 505,853.76 × 250,530.52
  4. Step 4: Simplify right side
    366,507.12x = 126,731,805,536.76
  5. Step 5: Solve for x
    x = 126,731,805,536.76/366,507.12
  6. Step 6: Final answer
    x = 345,782.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.