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Finding the Fourth Proportional to 364,251.76, 502,665.28 and 203,108.72

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Solution

The fourth proportional to 364,251.76, 502,665.28 and 203,108.72 is: 280,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,251.76 : 502,665.28 = 203,108.72 : x
  2. Step 2: Convert to fraction form
    364,251.76/502,665.28 = 203,108.72/x
  3. Step 3: Cross multiply
    364,251.76x = 502,665.28 × 203,108.72
  4. Step 4: Simplify right side
    364,251.76x = 102,095,701,609.24
  5. Step 5: Solve for x
    x = 102,095,701,609.24/364,251.76
  6. Step 6: Final answer
    x = 280,288.84

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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.