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Finding the Fourth Proportional to 363,056.94, 501,030.92 and 199,720.64

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Solution

The fourth proportional to 363,056.94, 501,030.92 and 199,720.64 is: 275,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,056.94 : 501,030.92 = 199,720.64 : x
  2. Step 2: Convert to fraction form
    363,056.94/501,030.92 = 199,720.64/x
  3. Step 3: Cross multiply
    363,056.94x = 501,030.92 × 199,720.64
  4. Step 4: Simplify right side
    363,056.94x = 100,066,212,498.43
  5. Step 5: Solve for x
    x = 100,066,212,498.43/363,056.94
  6. Step 6: Final answer
    x = 275,621.26

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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.