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Finding the Fourth Proportional to 205,592.40, 308,388.60 and 202,827.60

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Solution

The fourth proportional to 205,592.40, 308,388.60 and 202,827.60 is: 304,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,592.40 : 308,388.60 = 202,827.60 : x
  2. Step 2: Convert to fraction form
    205,592.40/308,388.60 = 202,827.60/x
  3. Step 3: Cross multiply
    205,592.40x = 308,388.60 × 202,827.60
  4. Step 4: Simplify right side
    205,592.40x = 62,549,719,605.36
  5. Step 5: Solve for x
    x = 62,549,719,605.36/205,592.40
  6. Step 6: Final answer
    x = 304,241.40

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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.