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Finding the Fourth Proportional to 351,500.80, 526,022.40 and 322,009.60

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Solution

The fourth proportional to 351,500.80, 526,022.40 and 322,009.60 is: 481,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,500.80 : 526,022.40 = 322,009.60 : x
  2. Step 2: Convert to fraction form
    351,500.80/526,022.40 = 322,009.60/x
  3. Step 3: Cross multiply
    351,500.80x = 526,022.40 × 322,009.60
  4. Step 4: Simplify right side
    351,500.80x = 169,384,262,615.04
  5. Step 5: Solve for x
    x = 169,384,262,615.04/351,500.80
  6. Step 6: Final answer
    x = 481,888.70

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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.