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Finding the Fourth Proportional to 344,483.64, 475,387.62 and 199,309.80

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Solution

The fourth proportional to 344,483.64, 475,387.62 and 199,309.80 is: 275,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,483.64 : 475,387.62 = 199,309.80 : x
  2. Step 2: Convert to fraction form
    344,483.64/475,387.62 = 199,309.80/x
  3. Step 3: Cross multiply
    344,483.64x = 475,387.62 × 199,309.80
  4. Step 4: Simplify right side
    344,483.64x = 94,749,411,464.68
  5. Step 5: Solve for x
    x = 94,749,411,464.68/344,483.64
  6. Step 6: Final answer
    x = 275,047.64

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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.