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Finding the Fourth Proportional to 335,422.40, 503,036.40 and 122,165.60

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Solution

The fourth proportional to 335,422.40, 503,036.40 and 122,165.60 is: 183,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,422.40 : 503,036.40 = 122,165.60 : x
  2. Step 2: Convert to fraction form
    335,422.40/503,036.40 = 122,165.60/x
  3. Step 3: Cross multiply
    335,422.40x = 503,036.40 × 122,165.60
  4. Step 4: Simplify right side
    335,422.40x = 61,453,743,627.84
  5. Step 5: Solve for x
    x = 61,453,743,627.84/335,422.40
  6. Step 6: Final answer
    x = 183,213.00

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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.