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Finding the Fourth Proportional to 363,538.37, 501,606.90 and 210,521.49

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Solution

The fourth proportional to 363,538.37, 501,606.90 and 210,521.49 is: 290,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,538.37 : 501,606.90 = 210,521.49 : x
  2. Step 2: Convert to fraction form
    363,538.37/501,606.90 = 210,521.49/x
  3. Step 3: Cross multiply
    363,538.37x = 501,606.90 × 210,521.49
  4. Step 4: Simplify right side
    363,538.37x = 105,599,031,982.28
  5. Step 5: Solve for x
    x = 105,599,031,982.28/363,538.37
  6. Step 6: Final answer
    x = 290,475.62

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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.