Home / 347,260.57-479,294.42-211,338.21

Finding the Fourth Proportional to 347,260.57, 479,294.42 and 211,338.21

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Solution

The fourth proportional to 347,260.57, 479,294.42 and 211,338.21 is: 291,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,260.57 : 479,294.42 = 211,338.21 : x
  2. Step 2: Convert to fraction form
    347,260.57/479,294.42 = 211,338.21/x
  3. Step 3: Cross multiply
    347,260.57x = 479,294.42 × 211,338.21
  4. Step 4: Simplify right side
    347,260.57x = 101,293,225,526.45
  5. Step 5: Solve for x
    x = 101,293,225,526.45/347,260.57
  6. Step 6: Final answer
    x = 291,692.28

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1.5x scale

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.