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Finding the Fourth Proportional to 554,186.46, 764,777.43 and 299,536.86

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Solution

The fourth proportional to 554,186.46, 764,777.43 and 299,536.86 is: 413,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,186.46 : 764,777.43 = 299,536.86 : x
  2. Step 2: Convert to fraction form
    554,186.46/764,777.43 = 299,536.86/x
  3. Step 3: Cross multiply
    554,186.46x = 764,777.43 × 299,536.86
  4. Step 4: Simplify right side
    554,186.46x = 229,079,029,981.07
  5. Step 5: Solve for x
    x = 229,079,029,981.07/554,186.46
  6. Step 6: Final answer
    x = 413,360.93

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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.