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Finding the Fourth Proportional to 593,057.43, 818,477.87 and 338,446.89

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Solution

The fourth proportional to 593,057.43, 818,477.87 and 338,446.89 is: 467,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,057.43 : 818,477.87 = 338,446.89 : x
  2. Step 2: Convert to fraction form
    593,057.43/818,477.87 = 338,446.89/x
  3. Step 3: Cross multiply
    593,057.43x = 818,477.87 × 338,446.89
  4. Step 4: Simplify right side
    593,057.43x = 277,011,287,943.09
  5. Step 5: Solve for x
    x = 277,011,287,943.09/593,057.43
  6. Step 6: Final answer
    x = 467,090.16

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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.