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Finding the Fourth Proportional to 293,455.44, 404,970.16 and 172,601.80

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Solution

The fourth proportional to 293,455.44, 404,970.16 and 172,601.80 is: 238,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,455.44 : 404,970.16 = 172,601.80 : x
  2. Step 2: Convert to fraction form
    293,455.44/404,970.16 = 172,601.80/x
  3. Step 3: Cross multiply
    293,455.44x = 404,970.16 × 172,601.80
  4. Step 4: Simplify right side
    293,455.44x = 69,898,578,562.29
  5. Step 5: Solve for x
    x = 69,898,578,562.29/293,455.44
  6. Step 6: Final answer
    x = 238,191.46

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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.