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Finding the Fourth Proportional to 538,208.33, 807,458.23 and 201,283.21

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Solution

The fourth proportional to 538,208.33, 807,458.23 and 201,283.21 is: 301,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,208.33 : 807,458.23 = 201,283.21 : x
  2. Step 2: Convert to fraction form
    538,208.33/807,458.23 = 201,283.21/x
  3. Step 3: Cross multiply
    538,208.33x = 807,458.23 × 201,283.21
  4. Step 4: Simplify right side
    538,208.33x = 162,527,784,475.32
  5. Step 5: Solve for x
    x = 162,527,784,475.32/538,208.33
  6. Step 6: Final answer
    x = 301,979.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.