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Finding the Fourth Proportional to 593,057.93, 818,478.56 and 338,447.39

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Solution

The fourth proportional to 593,057.93, 818,478.56 and 338,447.39 is: 467,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,057.93 : 818,478.56 = 338,447.39 : x
  2. Step 2: Convert to fraction form
    593,057.93/818,478.56 = 338,447.39/x
  3. Step 3: Cross multiply
    593,057.93x = 818,478.56 × 338,447.39
  4. Step 4: Simplify right side
    593,057.93x = 277,011,930,710.72
  5. Step 5: Solve for x
    x = 277,011,930,710.72/593,057.93
  6. Step 6: Final answer
    x = 467,090.85

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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.