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Finding the Fourth Proportional to 235,328.43, 324,755.76 and 127,898.48

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Solution

The fourth proportional to 235,328.43, 324,755.76 and 127,898.48 is: 176,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,328.43 : 324,755.76 = 127,898.48 : x
  2. Step 2: Convert to fraction form
    235,328.43/324,755.76 = 127,898.48/x
  3. Step 3: Cross multiply
    235,328.43x = 324,755.76 × 127,898.48
  4. Step 4: Simplify right side
    235,328.43x = 41,535,766,451.47
  5. Step 5: Solve for x
    x = 41,535,766,451.47/235,328.43
  6. Step 6: Final answer
    x = 176,501.27

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1.5x scale

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.