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Finding the Fourth Proportional to 364,765.60, 547,071.60 and 154,410.40

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Solution

The fourth proportional to 364,765.60, 547,071.60 and 154,410.40 is: 231,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,765.60 : 547,071.60 = 154,410.40 : x
  2. Step 2: Convert to fraction form
    364,765.60/547,071.60 = 154,410.40/x
  3. Step 3: Cross multiply
    364,765.60x = 547,071.60 × 154,410.40
  4. Step 4: Simplify right side
    364,765.60x = 84,473,544,584.64
  5. Step 5: Solve for x
    x = 84,473,544,584.64/364,765.60
  6. Step 6: Final answer
    x = 231,583.09

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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.