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Finding the Fourth Proportional to 349,213.84, 481,902.32 and 213,475.12

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Solution

The fourth proportional to 349,213.84, 481,902.32 and 213,475.12 is: 294,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,213.84 : 481,902.32 = 213,475.12 : x
  2. Step 2: Convert to fraction form
    349,213.84/481,902.32 = 213,475.12/x
  3. Step 3: Cross multiply
    349,213.84x = 481,902.32 × 213,475.12
  4. Step 4: Simplify right side
    349,213.84x = 102,874,155,590.28
  5. Step 5: Solve for x
    x = 102,874,155,590.28/349,213.84
  6. Step 6: Final answer
    x = 294,587.85

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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.