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Finding the Fourth Proportional to 351,308.54, 484,805.66 and 190,164.92

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Solution

The fourth proportional to 351,308.54, 484,805.66 and 190,164.92 is: 262,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,308.54 : 484,805.66 = 190,164.92 : x
  2. Step 2: Convert to fraction form
    351,308.54/484,805.66 = 190,164.92/x
  3. Step 3: Cross multiply
    351,308.54x = 484,805.66 × 190,164.92
  4. Step 4: Simplify right side
    351,308.54x = 92,193,026,174.59
  5. Step 5: Solve for x
    x = 92,193,026,174.59/351,308.54
  6. Step 6: Final answer
    x = 262,427.51

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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.