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Finding the Fourth Proportional to 540,553.44, 745,958.88 and 298,842.16

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Solution

The fourth proportional to 540,553.44, 745,958.88 and 298,842.16 is: 412,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,553.44 : 745,958.88 = 298,842.16 : x
  2. Step 2: Convert to fraction form
    540,553.44/745,958.88 = 298,842.16/x
  3. Step 3: Cross multiply
    540,553.44x = 745,958.88 × 298,842.16
  4. Step 4: Simplify right side
    540,553.44x = 222,923,962,970.38
  5. Step 5: Solve for x
    x = 222,923,962,970.38/540,553.44
  6. Step 6: Final answer
    x = 412,399.49

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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.