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Finding the Fourth Proportional to 300,273.48, 414,527.42 and 172,924.47

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Solution

The fourth proportional to 300,273.48, 414,527.42 and 172,924.47 is: 238,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,273.48 : 414,527.42 = 172,924.47 : x
  2. Step 2: Convert to fraction form
    300,273.48/414,527.42 = 172,924.47/x
  3. Step 3: Cross multiply
    300,273.48x = 414,527.42 × 172,924.47
  4. Step 4: Simplify right side
    300,273.48x = 71,681,934,836.28
  5. Step 5: Solve for x
    x = 71,681,934,836.28/300,273.48
  6. Step 6: Final answer
    x = 238,722.16

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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.