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Finding the Fourth Proportional to 593,793.12, 819,345.36 and 339,090.40

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Solution

The fourth proportional to 593,793.12, 819,345.36 and 339,090.40 is: 467,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,793.12 : 819,345.36 = 339,090.40 : x
  2. Step 2: Convert to fraction form
    593,793.12/819,345.36 = 339,090.40/x
  3. Step 3: Cross multiply
    593,793.12x = 819,345.36 × 339,090.40
  4. Step 4: Simplify right side
    593,793.12x = 277,832,145,860.54
  5. Step 5: Solve for x
    x = 277,832,145,860.54/593,793.12
  6. Step 6: Final answer
    x = 467,893.84

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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.