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Finding the Fourth Proportional to 658,498.36, 908,732.10 and 356,692.36

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Solution

The fourth proportional to 658,498.36, 908,732.10 and 356,692.36 is: 492,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,498.36 : 908,732.10 = 356,692.36 : x
  2. Step 2: Convert to fraction form
    658,498.36/908,732.10 = 356,692.36/x
  3. Step 3: Cross multiply
    658,498.36x = 908,732.10 × 356,692.36
  4. Step 4: Simplify right side
    658,498.36x = 324,137,797,356.76
  5. Step 5: Solve for x
    x = 324,137,797,356.76/658,498.36
  6. Step 6: Final answer
    x = 492,237.82

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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.