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Finding the Fourth Proportional to 293,625.73, 405,184.29 and 172,743.64

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Solution

The fourth proportional to 293,625.73, 405,184.29 and 172,743.64 is: 238,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,625.73 : 405,184.29 = 172,743.64 : x
  2. Step 2: Convert to fraction form
    293,625.73/405,184.29 = 172,743.64/x
  3. Step 3: Cross multiply
    293,625.73x = 405,184.29 × 172,743.64
  4. Step 4: Simplify right side
    293,625.73x = 69,993,009,125.42
  5. Step 5: Solve for x
    x = 69,993,009,125.42/293,625.73
  6. Step 6: Final answer
    x = 238,374.92

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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.