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Finding the Fourth Proportional to 540,637.57, 746,049.66 and 298,906.03

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Solution

The fourth proportional to 540,637.57, 746,049.66 and 298,906.03 is: 412,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,637.57 : 746,049.66 = 298,906.03 : x
  2. Step 2: Convert to fraction form
    540,637.57/746,049.66 = 298,906.03/x
  3. Step 3: Cross multiply
    540,637.57x = 746,049.66 × 298,906.03
  4. Step 4: Simplify right side
    540,637.57x = 222,998,742,053.45
  5. Step 5: Solve for x
    x = 222,998,742,053.45/540,637.57
  6. Step 6: Final answer
    x = 412,473.63

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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.