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Finding the Fourth Proportional to 364,311.48, 502,748.87 and 203,166.71

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Solution

The fourth proportional to 364,311.48, 502,748.87 and 203,166.71 is: 280,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,311.48 : 502,748.87 = 203,166.71 : x
  2. Step 2: Convert to fraction form
    364,311.48/502,748.87 = 203,166.71/x
  3. Step 3: Cross multiply
    364,311.48x = 502,748.87 × 203,166.71
  4. Step 4: Simplify right side
    364,311.48x = 102,141,832,858.28
  5. Step 5: Solve for x
    x = 102,141,832,858.28/364,311.48
  6. Step 6: Final answer
    x = 280,369.51

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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.