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Finding the Fourth Proportional to 300,541.70, 414,747.54 and 173,225.49

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Solution

The fourth proportional to 300,541.70, 414,747.54 and 173,225.49 is: 239,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,541.70 : 414,747.54 = 173,225.49 : x
  2. Step 2: Convert to fraction form
    300,541.70/414,747.54 = 173,225.49/x
  3. Step 3: Cross multiply
    300,541.70x = 414,747.54 × 173,225.49
  4. Step 4: Simplify right side
    300,541.70x = 71,844,845,842.79
  5. Step 5: Solve for x
    x = 71,844,845,842.79/300,541.70
  6. Step 6: Final answer
    x = 239,051.18

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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.