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Finding the Fourth Proportional to 326,248.68, 449,963.46 and 269,561.64

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Solution

The fourth proportional to 326,248.68, 449,963.46 and 269,561.64 is: 371,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,248.68 : 449,963.46 = 269,561.64 : x
  2. Step 2: Convert to fraction form
    326,248.68/449,963.46 = 269,561.64/x
  3. Step 3: Cross multiply
    326,248.68x = 449,963.46 × 269,561.64
  4. Step 4: Simplify right side
    326,248.68x = 121,292,888,217.67
  5. Step 5: Solve for x
    x = 121,292,888,217.67/326,248.68
  6. Step 6: Final answer
    x = 371,780.47

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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.