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Finding the Fourth Proportional to 586,888.38, 809,936.31 and 328,750.25

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Solution

The fourth proportional to 586,888.38, 809,936.31 and 328,750.25 is: 453,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,888.38 : 809,936.31 = 328,750.25 : x
  2. Step 2: Convert to fraction form
    586,888.38/809,936.31 = 328,750.25/x
  3. Step 3: Cross multiply
    586,888.38x = 809,936.31 × 328,750.25
  4. Step 4: Simplify right side
    586,888.38x = 266,266,760,346.90
  5. Step 5: Solve for x
    x = 266,266,760,346.90/586,888.38
  6. Step 6: Final answer
    x = 453,692.34

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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.