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Finding the Fourth Proportional to 293,656.65, 405,149.79 and 164,576.25

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Solution

The fourth proportional to 293,656.65, 405,149.79 and 164,576.25 is: 227,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,656.65 : 405,149.79 = 164,576.25 : x
  2. Step 2: Convert to fraction form
    293,656.65/405,149.79 = 164,576.25/x
  3. Step 3: Cross multiply
    293,656.65x = 405,149.79 × 164,576.25
  4. Step 4: Simplify right side
    293,656.65x = 66,678,033,126.49
  5. Step 5: Solve for x
    x = 66,678,033,126.49/293,656.65
  6. Step 6: Final answer
    x = 227,061.21

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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.