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Finding the Fourth Proportional to 349,124.64, 481,792.32 and 198,221.64

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Solution

The fourth proportional to 349,124.64, 481,792.32 and 198,221.64 is: 273,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,124.64 : 481,792.32 = 198,221.64 : x
  2. Step 2: Convert to fraction form
    349,124.64/481,792.32 = 198,221.64/x
  3. Step 3: Cross multiply
    349,124.64x = 481,792.32 × 198,221.64
  4. Step 4: Simplify right side
    349,124.64x = 95,501,663,809.80
  5. Step 5: Solve for x
    x = 95,501,663,809.80/349,124.64
  6. Step 6: Final answer
    x = 273,546.04

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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.