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Finding the Fourth Proportional to 294,208.80, 441,317.52 and 72,592.80

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Solution

The fourth proportional to 294,208.80, 441,317.52 and 72,592.80 is: 108,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,208.80 : 441,317.52 = 72,592.80 : x
  2. Step 2: Convert to fraction form
    294,208.80/441,317.52 = 72,592.80/x
  3. Step 3: Cross multiply
    294,208.80x = 441,317.52 × 72,592.80
  4. Step 4: Simplify right side
    294,208.80x = 32,036,474,465.86
  5. Step 5: Solve for x
    x = 32,036,474,465.86/294,208.80
  6. Step 6: Final answer
    x = 108,890.27

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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.