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Finding the Fourth Proportional to 364,725.66, 503,320.15 and 203,579.31

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Solution

The fourth proportional to 364,725.66, 503,320.15 and 203,579.31 is: 280,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,725.66 : 503,320.15 = 203,579.31 : x
  2. Step 2: Convert to fraction form
    364,725.66/503,320.15 = 203,579.31/x
  3. Step 3: Cross multiply
    364,725.66x = 503,320.15 × 203,579.31
  4. Step 4: Simplify right side
    364,725.66x = 102,465,568,846.10
  5. Step 5: Solve for x
    x = 102,465,568,846.10/364,725.66
  6. Step 6: Final answer
    x = 280,938.74

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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.