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Finding the Fourth Proportional to 304,034.40, 456,051.60 and 82,418.40

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Solution

The fourth proportional to 304,034.40, 456,051.60 and 82,418.40 is: 123,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,034.40 : 456,051.60 = 82,418.40 : x
  2. Step 2: Convert to fraction form
    304,034.40/456,051.60 = 82,418.40/x
  3. Step 3: Cross multiply
    304,034.40x = 456,051.60 × 82,418.40
  4. Step 4: Simplify right side
    304,034.40x = 37,587,043,189.44
  5. Step 5: Solve for x
    x = 37,587,043,189.44/304,034.40
  6. Step 6: Final answer
    x = 123,627.60

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1.5x scale

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.