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Finding the Fourth Proportional to 603,978, 833,468.40 and 332,043.92

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Solution

The fourth proportional to 603,978, 833,468.40 and 332,043.92 is: 458,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,978 : 833,468.40 = 332,043.92 : x
  2. Step 2: Convert to fraction form
    603,978/833,468.40 = 332,043.92/x
  3. Step 3: Cross multiply
    603,978x = 833,468.40 × 332,043.92
  4. Step 4: Simplify right side
    603,978x = 276,748,110,564.79
  5. Step 5: Solve for x
    x = 276,748,110,564.79/603,978
  6. Step 6: Final answer
    x = 458,208.93

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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.