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Finding the Fourth Proportional to 364,313.23, 502,751.28 and 203,168.46

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Solution

The fourth proportional to 364,313.23, 502,751.28 and 203,168.46 is: 280,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,313.23 : 502,751.28 = 203,168.46 : x
  2. Step 2: Convert to fraction form
    364,313.23/502,751.28 = 203,168.46/x
  3. Step 3: Cross multiply
    364,313.23x = 502,751.28 × 203,168.46
  4. Step 4: Simplify right side
    364,313.23x = 102,143,203,320.63
  5. Step 5: Solve for x
    x = 102,143,203,320.63/364,313.23
  6. Step 6: Final answer
    x = 280,371.93

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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.