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Finding the Fourth Proportional to 656,495.80, 982,556.70 and 476,068.30

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Solution

The fourth proportional to 656,495.80, 982,556.70 and 476,068.30 is: 712,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,495.80 : 982,556.70 = 476,068.30 : x
  2. Step 2: Convert to fraction form
    656,495.80/982,556.70 = 476,068.30/x
  3. Step 3: Cross multiply
    656,495.80x = 982,556.70 × 476,068.30
  4. Step 4: Simplify right side
    656,495.80x = 467,764,097,822.61
  5. Step 5: Solve for x
    x = 467,764,097,822.61/656,495.80
  6. Step 6: Final answer
    x = 712,516.51

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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.