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Finding the Fourth Proportional to 294,909.70, 441,708.45 and 242,421.70

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Solution

The fourth proportional to 294,909.70, 441,708.45 and 242,421.70 is: 363,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,909.70 : 441,708.45 = 242,421.70 : x
  2. Step 2: Convert to fraction form
    294,909.70/441,708.45 = 242,421.70/x
  3. Step 3: Cross multiply
    294,909.70x = 441,708.45 × 242,421.70
  4. Step 4: Simplify right side
    294,909.70x = 107,079,713,353.37
  5. Step 5: Solve for x
    x = 107,079,713,353.37/294,909.70
  6. Step 6: Final answer
    x = 363,093.22

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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.