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Finding the Fourth Proportional to 462,801.60, 694,461.60 and 196,516.80

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Solution

The fourth proportional to 462,801.60, 694,461.60 and 196,516.80 is: 294,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,801.60 : 694,461.60 = 196,516.80 : x
  2. Step 2: Convert to fraction form
    462,801.60/694,461.60 = 196,516.80/x
  3. Step 3: Cross multiply
    462,801.60x = 694,461.60 × 196,516.80
  4. Step 4: Simplify right side
    462,801.60x = 136,473,371,354.88
  5. Step 5: Solve for x
    x = 136,473,371,354.88/462,801.60
  6. Step 6: Final answer
    x = 294,885.26

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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.