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Finding the Fourth Proportional to 418,510.92, 577,548.72 and 227,524.44

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Solution

The fourth proportional to 418,510.92, 577,548.72 and 227,524.44 is: 313,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,510.92 : 577,548.72 = 227,524.44 : x
  2. Step 2: Convert to fraction form
    418,510.92/577,548.72 = 227,524.44/x
  3. Step 3: Cross multiply
    418,510.92x = 577,548.72 × 227,524.44
  4. Step 4: Simplify right side
    418,510.92x = 131,406,449,090.72
  5. Step 5: Solve for x
    x = 131,406,449,090.72/418,510.92
  6. Step 6: Final answer
    x = 313,985.71

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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.