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Finding the Fourth Proportional to 543,069.44, 814,721.32 and 163,958.72

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Solution

The fourth proportional to 543,069.44, 814,721.32 and 163,958.72 is: 245,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,069.44 : 814,721.32 = 163,958.72 : x
  2. Step 2: Convert to fraction form
    543,069.44/814,721.32 = 163,958.72/x
  3. Step 3: Cross multiply
    543,069.44x = 814,721.32 × 163,958.72
  4. Step 4: Simplify right side
    543,069.44x = 133,580,664,783.91
  5. Step 5: Solve for x
    x = 133,580,664,783.91/543,069.44
  6. Step 6: Final answer
    x = 245,973.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.