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Finding the Fourth Proportional to 327,624.71, 452,261.58 and 220,257

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Solution

The fourth proportional to 327,624.71, 452,261.58 and 220,257 is: 304,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,624.71 : 452,261.58 = 220,257 : x
  2. Step 2: Convert to fraction form
    327,624.71/452,261.58 = 220,257/x
  3. Step 3: Cross multiply
    327,624.71x = 452,261.58 × 220,257
  4. Step 4: Simplify right side
    327,624.71x = 99,613,778,826.06
  5. Step 5: Solve for x
    x = 99,613,778,826.06/327,624.71
  6. Step 6: Final answer
    x = 304,048.44

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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.