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Finding the Fourth Proportional to 364,387.32, 502,855.39 and 203,252.81

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Solution

The fourth proportional to 364,387.32, 502,855.39 and 203,252.81 is: 280,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,387.32 : 502,855.39 = 203,252.81 : x
  2. Step 2: Convert to fraction form
    364,387.32/502,855.39 = 203,252.81/x
  3. Step 3: Cross multiply
    364,387.32x = 502,855.39 × 203,252.81
  4. Step 4: Simplify right side
    364,387.32x = 102,206,771,041.15
  5. Step 5: Solve for x
    x = 102,206,771,041.15/364,387.32
  6. Step 6: Final answer
    x = 280,489.37

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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.