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Finding the Fourth Proportional to 430,644.60, 594,277.16 and 239,653.89

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Solution

The fourth proportional to 430,644.60, 594,277.16 and 239,653.89 is: 330,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,644.60 : 594,277.16 = 239,653.89 : x
  2. Step 2: Convert to fraction form
    430,644.60/594,277.16 = 239,653.89/x
  3. Step 3: Cross multiply
    430,644.60x = 594,277.16 × 239,653.89
  4. Step 4: Simplify right side
    430,644.60x = 142,420,831,933.88
  5. Step 5: Solve for x
    x = 142,420,831,933.88/430,644.60
  6. Step 6: Final answer
    x = 330,715.47

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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.