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Finding the Fourth Proportional to 364,489.56, 502,993.98 and 203,344.74

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Solution

The fourth proportional to 364,489.56, 502,993.98 and 203,344.74 is: 280,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,489.56 : 502,993.98 = 203,344.74 : x
  2. Step 2: Convert to fraction form
    364,489.56/502,993.98 = 203,344.74/x
  3. Step 3: Cross multiply
    364,489.56x = 502,993.98 × 203,344.74
  4. Step 4: Simplify right side
    364,489.56x = 102,281,180,084.67
  5. Step 5: Solve for x
    x = 102,281,180,084.67/364,489.56
  6. Step 6: Final answer
    x = 280,614.84

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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.