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Finding the Fourth Proportional to 656,893.82, 983,421.56 and 593,859.62

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Solution

The fourth proportional to 656,893.82, 983,421.56 and 593,859.62 is: 889,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,893.82 : 983,421.56 = 593,859.62 : x
  2. Step 2: Convert to fraction form
    656,893.82/983,421.56 = 593,859.62/x
  3. Step 3: Cross multiply
    656,893.82x = 983,421.56 × 593,859.62
  4. Step 4: Simplify right side
    656,893.82x = 584,014,353,921.41
  5. Step 5: Solve for x
    x = 584,014,353,921.41/656,893.82
  6. Step 6: Final answer
    x = 889,054.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.