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Finding the Fourth Proportional to 300,044.50, 414,068.62 and 170,980.22

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Solution

The fourth proportional to 300,044.50, 414,068.62 and 170,980.22 is: 235,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,044.50 : 414,068.62 = 170,980.22 : x
  2. Step 2: Convert to fraction form
    300,044.50/414,068.62 = 170,980.22/x
  3. Step 3: Cross multiply
    300,044.50x = 414,068.62 × 170,980.22
  4. Step 4: Simplify right side
    300,044.50x = 70,797,541,521.50
  5. Step 5: Solve for x
    x = 70,797,541,521.50/300,044.50
  6. Step 6: Final answer
    x = 235,956.80

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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.