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Finding the Fourth Proportional to 364,220.40, 502,563.24 and 203,040.12

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Solution

The fourth proportional to 364,220.40, 502,563.24 and 203,040.12 is: 280,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,220.40 : 502,563.24 = 203,040.12 : x
  2. Step 2: Convert to fraction form
    364,220.40/502,563.24 = 203,040.12/x
  3. Step 3: Cross multiply
    364,220.40x = 502,563.24 × 203,040.12
  4. Step 4: Simplify right side
    364,220.40x = 102,040,500,557.19
  5. Step 5: Solve for x
    x = 102,040,500,557.19/364,220.40
  6. Step 6: Final answer
    x = 280,161.41

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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.