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Finding the Fourth Proportional to 430,860.60, 594,571.59 and 239,869.89

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Solution

The fourth proportional to 430,860.60, 594,571.59 and 239,869.89 is: 331,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,860.60 : 594,571.59 = 239,869.89 : x
  2. Step 2: Convert to fraction form
    430,860.60/594,571.59 = 239,869.89/x
  3. Step 3: Cross multiply
    430,860.60x = 594,571.59 × 239,869.89
  4. Step 4: Simplify right side
    430,860.60x = 142,619,821,890.43
  5. Step 5: Solve for x
    x = 142,619,821,890.43/430,860.60
  6. Step 6: Final answer
    x = 331,011.52

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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.