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Finding the Fourth Proportional to 273,220.84, 376,958.82 and 164,276.20

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Solution

The fourth proportional to 273,220.84, 376,958.82 and 164,276.20 is: 226,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,220.84 : 376,958.82 = 164,276.20 : x
  2. Step 2: Convert to fraction form
    273,220.84/376,958.82 = 164,276.20/x
  3. Step 3: Cross multiply
    273,220.84x = 376,958.82 × 164,276.20
  4. Step 4: Simplify right side
    273,220.84x = 61,925,362,506.08
  5. Step 5: Solve for x
    x = 61,925,362,506.08/273,220.84
  6. Step 6: Final answer
    x = 226,649.48

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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.