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Finding the Fourth Proportional to 351,356.22, 484,871.76 and 190,211.27

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Solution

The fourth proportional to 351,356.22, 484,871.76 and 190,211.27 is: 262,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,356.22 : 484,871.76 = 190,211.27 : x
  2. Step 2: Convert to fraction form
    351,356.22/484,871.76 = 190,211.27/x
  3. Step 3: Cross multiply
    351,356.22x = 484,871.76 × 190,211.27
  4. Step 4: Simplify right side
    351,356.22x = 92,228,070,832.38
  5. Step 5: Solve for x
    x = 92,228,070,832.38/351,356.22
  6. Step 6: Final answer
    x = 262,491.64

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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.