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Finding the Fourth Proportional to 291,791.66, 402,675.55 and 164,467.25

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Solution

The fourth proportional to 291,791.66, 402,675.55 and 164,467.25 is: 226,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,791.66 : 402,675.55 = 164,467.25 : x
  2. Step 2: Convert to fraction form
    291,791.66/402,675.55 = 164,467.25/x
  3. Step 3: Cross multiply
    291,791.66x = 402,675.55 × 164,467.25
  4. Step 4: Simplify right side
    291,791.66x = 66,226,940,350.74
  5. Step 5: Solve for x
    x = 66,226,940,350.74/291,791.66
  6. Step 6: Final answer
    x = 226,966.53

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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.