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Finding the Fourth Proportional to 356,624.84, 492,109.62 and 205,692.68

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Solution

The fourth proportional to 356,624.84, 492,109.62 and 205,692.68 is: 283,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,624.84 : 492,109.62 = 205,692.68 : x
  2. Step 2: Convert to fraction form
    356,624.84/492,109.62 = 205,692.68/x
  3. Step 3: Cross multiply
    356,624.84x = 492,109.62 × 205,692.68
  4. Step 4: Simplify right side
    356,624.84x = 101,223,346,591.58
  5. Step 5: Solve for x
    x = 101,223,346,591.58/356,624.84
  6. Step 6: Final answer
    x = 283,837.06

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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.