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Finding the Fourth Proportional to 293,090.64, 404,467.80 and 172,234.56

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Solution

The fourth proportional to 293,090.64, 404,467.80 and 172,234.56 is: 237,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,090.64 : 404,467.80 = 172,234.56 : x
  2. Step 2: Convert to fraction form
    293,090.64/404,467.80 = 172,234.56/x
  3. Step 3: Cross multiply
    293,090.64x = 404,467.80 × 172,234.56
  4. Step 4: Simplify right side
    293,090.64x = 69,663,333,567.17
  5. Step 5: Solve for x
    x = 69,663,333,567.17/293,090.64
  6. Step 6: Final answer
    x = 237,685.29

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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.