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Finding the Fourth Proportional to 418,481.40, 577,501.92 and 237,227.52

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Solution

The fourth proportional to 418,481.40, 577,501.92 and 237,227.52 is: 327,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,481.40 : 577,501.92 = 237,227.52 : x
  2. Step 2: Convert to fraction form
    418,481.40/577,501.92 = 237,227.52/x
  3. Step 3: Cross multiply
    418,481.40x = 577,501.92 × 237,227.52
  4. Step 4: Simplify right side
    418,481.40x = 136,999,348,276.84
  5. Step 5: Solve for x
    x = 136,999,348,276.84/418,481.40
  6. Step 6: Final answer
    x = 327,372.61

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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.