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Finding the Fourth Proportional to 292,470.48, 403,636.50 and 177,722.64

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Solution

The fourth proportional to 292,470.48, 403,636.50 and 177,722.64 is: 245,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,470.48 : 403,636.50 = 177,722.64 : x
  2. Step 2: Convert to fraction form
    292,470.48/403,636.50 = 177,722.64/x
  3. Step 3: Cross multiply
    292,470.48x = 403,636.50 × 177,722.64
  4. Step 4: Simplify right side
    292,470.48x = 71,735,344,380.36
  5. Step 5: Solve for x
    x = 71,735,344,380.36/292,470.48
  6. Step 6: Final answer
    x = 245,273.79

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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.