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Finding the Fourth Proportional to 301,836.72, 452,674.06 and 143,750.64

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Solution

The fourth proportional to 301,836.72, 452,674.06 and 143,750.64 is: 215,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,836.72 : 452,674.06 = 143,750.64 : x
  2. Step 2: Convert to fraction form
    301,836.72/452,674.06 = 143,750.64/x
  3. Step 3: Cross multiply
    301,836.72x = 452,674.06 × 143,750.64
  4. Step 4: Simplify right side
    301,836.72x = 65,072,185,836.40
  5. Step 5: Solve for x
    x = 65,072,185,836.40/301,836.72
  6. Step 6: Final answer
    x = 215,587.37

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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.