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Finding the Fourth Proportional to 373,352.80, 559,964.40 and 136,573.60

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Solution

The fourth proportional to 373,352.80, 559,964.40 and 136,573.60 is: 204,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,352.80 : 559,964.40 = 136,573.60 : x
  2. Step 2: Convert to fraction form
    373,352.80/559,964.40 = 136,573.60/x
  3. Step 3: Cross multiply
    373,352.80x = 559,964.40 × 136,573.60
  4. Step 4: Simplify right side
    373,352.80x = 76,476,353,979.84
  5. Step 5: Solve for x
    x = 76,476,353,979.84/373,352.80
  6. Step 6: Final answer
    x = 204,836.70

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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.