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Finding the Fourth Proportional to 581,696.60, 872,372.10 and 226,506.20

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Solution

The fourth proportional to 581,696.60, 872,372.10 and 226,506.20 is: 339,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,696.60 : 872,372.10 = 226,506.20 : x
  2. Step 2: Convert to fraction form
    581,696.60/872,372.10 = 226,506.20/x
  3. Step 3: Cross multiply
    581,696.60x = 872,372.10 × 226,506.20
  4. Step 4: Simplify right side
    581,696.60x = 197,597,689,357.02
  5. Step 5: Solve for x
    x = 197,597,689,357.02/581,696.60
  6. Step 6: Final answer
    x = 339,692.01

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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.