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Finding the Fourth Proportional to 418,562.03, 577,614.81 and 227,574.97

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Solution

The fourth proportional to 418,562.03, 577,614.81 and 227,574.97 is: 314,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,562.03 : 577,614.81 = 227,574.97 : x
  2. Step 2: Convert to fraction form
    418,562.03/577,614.81 = 227,574.97/x
  3. Step 3: Cross multiply
    418,562.03x = 577,614.81 × 227,574.97
  4. Step 4: Simplify right side
    418,562.03x = 131,450,672,466.68
  5. Step 5: Solve for x
    x = 131,450,672,466.68/418,562.03
  6. Step 6: Final answer
    x = 314,053.03

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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.