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Finding the Fourth Proportional to 352,675.56, 486,692.15 and 191,530.65

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Solution

The fourth proportional to 352,675.56, 486,692.15 and 191,530.65 is: 264,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,675.56 : 486,692.15 = 191,530.65 : x
  2. Step 2: Convert to fraction form
    352,675.56/486,692.15 = 191,530.65/x
  3. Step 3: Cross multiply
    352,675.56x = 486,692.15 × 191,530.65
  4. Step 4: Simplify right side
    352,675.56x = 93,216,463,839.40
  5. Step 5: Solve for x
    x = 93,216,463,839.40/352,675.56
  6. Step 6: Final answer
    x = 264,312.23

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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.